920 Answered Questions for the topic Pre-Calculus

Pre Calculus Math

9d

#### what do you expect f(f^-1(x)) to equal?

Support claim with examples and explain in words why this makes sense?

25d

#### math math math math math math math math

Find all angles between 0 and 2π satisfying the condition sinθ=√2/2 Separate your answers with commas. θ=

25d

#### Help !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Use addition formulas and the values of sinθ and cosθ for θ=π/4, π/3 to compute sin7/12π and cos7/12π exactly. (Use symbolic notation and fractions where needed.) sin7/12π=cos7/12π=

30d

#### Domain of a composition of a function. THANK YOU IN ADVANCE!

Given f(x)= 1/x-4 and g(x)= 1/6-x , find f+g , f-g , fg and f/g. Determine the domain for each function in interval notation.

09/17/21

#### Please help ????????

Determine the domain of the function f(x)=4/7x^2−5.(Use symbolic notation and fractions where needed. Give your answers as intervals in the form (*,*). Use inf for infinity, U for combining...
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09/15/21

#### Find the coefficients of the equation ? 𝑥+? 𝑦 − 12 = 0 when the y-intercept = 4 and an x-intercept = −2

Can I please get a step by step on how to find the answer, i would appreciate it.

09/03/21

#### Function word problem

Hello! please help me express this word problem into a crosspiece function :Your favorite dog groomer charges according to your dog’s weight. If yourdog is 3 kg and under, the groomer charges...
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Pre Calculus

08/29/21

#### Solve the nonlinear inequality. Express the solution using interval notation. (x − 5)(x − 2)(x + 1) > 0

Solve the nonlinear inequality. Express the solution using interval notation.(x − 5)(x − 2)(x + 1) > 0

08/21/21

#### help with precalculus please

1/ Determine whether the graph is the graph of a function. 2/ Determine the intervals on which the function is increasing, decreasing, and constant. my answer : Increasing on x > - 1; Decreasing...
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08/21/21

#### need help with precalculus

For each equation, state the parent function and list all transformations.6 .𝑦 = 3|𝑥 + 5| − 7 7 . 𝑦 = -x3/2 + 48 .𝑦 = 5 −√ 2x/39 . 𝑦 = (−4𝑥)2 − 3

08/20/21

#### Describe the transformation of the graph of f into the graph of g as either a horizontal or vertical stretc

Describe the transformation of the graph of f into the graph of g as either a horizontal or vertical stretch. and

08/20/21

#### help with precalculus

1/ Determine if the function is one-to-one. i think yes2/ Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x. f(x)=4/x and g(x)=4/2

08/17/21

#### PLZ HELP ME IT'S PRE-CAL THANKS IN ADVANCE

State whether the following solution sets are from a function or non-function
y=x2
y2=4-x2
y=x3
y=±√1-2x

08/13/21

#### need help with precalculus (check my answer)

f(x) = ; g(x) = 8x - 13Find f(g(x)).f(x) = ; g(x) = 8x - 11Find f(g(x)).f(x) = 5x + 3; g(x) = 6x - 5Find f/gmy answer : (f/g)(x) = domain {x|x ≠ }

08/13/21

#### need help with precalculus

Determine the intervals on which the function is increasing, decreasing, and constant. is it Increasing x > 0; Decreasing x < 0 ??Use the graph of f to estimate the local maximum and local...
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08/10/21

#### need help its urgent

Write the equation for the given parent function and listed transformations.1. x2, right 1, reflect across the x-axis, vertical shrink by 1/32. √𝑥, reflect across the y-axis, vertical shrink by...
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08/10/21

#### Need help its urgent

Determine the following about each graph: a) is the graph a function? b) is the inverse of the graph a function? c) is the graph a one-to-one function?. .

Pre Calculus

07/29/21

#### Solve the equation on the interval 0 ≤ θ < 2π. 2 cos θ + 1 = 0

07/20/21

#### Calculus Question. Please anwser!

Many people argue that there should be four types of conics instead of three. How many types of conics do you think there should be? Support your claim. Refer to the diagram below to help you.

07/20/21

#### Calculus Question. Please help!

Write the equation of the cosine function that models the values in the following table.x 0 5 10 15 20 25 30--------------------------------------------------------y -5 -8 -11...
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07/20/21

#### Please help! Calculus question!

Sounds are how we perceive pressure waves in the air. The note F-sharp, more than 2 octaves above the note 'middle C', is a sound wave with an ordinary frequency* f = 1584 Hertz or cycles/sec. If...
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07/20/21

#### Pre-Calculus Question. Please Help!

Kate has 12 different types of flowers but she wants to make a floral arrangement with only 9 of them. How many possible flower arrangements are there?

07/20/21

#### Calculus Question. Please Help!

Given the following system of equations,a) build an augmented matrix to represent the system of equations,b) show the elementary row operations that lead to a reduced row form, andc) find the...
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