Function Operations Compositions and Inverses

Function Operations Compositions and Inverses

11th Grade

15 Qs

quiz-placeholder

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Function Operations Compositions and Inverses

Function Operations Compositions and Inverses

Assessment

Quiz

Mathematics

11th Grade

Hard

Created by

Anthony Clark

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the inverse of f(x) = 3x +8

f-1(x) = 3(x-8)

f-1(x) = (8x-1)/3

f-1(x) = (x-8)/3

f-1(x) = (x+8)/3

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Given
f(x) = 3x2 + 7x and g(x) = 2x2 - x - 1, find (f + g)(x).

11x2 - 1

5x4 + 6x2 - 1

5x2 + 6x - 1

5x2 + 8x - 1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

f(x) = x2+9

g(x) = x-9

Find (f-g)(x).

x2+x+9

x2-x+9

x2-x

x2-x+18

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Given f(x) = 2x - 5 and g(x) = x2 − 4x + 5 What is (g-f)(x) =

x2-6x+10

-x2+6x-10

x2-6x

-x2-2x

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Let f(x) = 2x - 1, g(x) = 3x, and h(x) = x2 + 1. Compute:  g(f(0))

-3

-1

6x - 3

x2 + 1

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

p(x) = 3x + 4
q(x) = 2x2
Find q(p(x))

6x2 + 4

18x+ 48x + 32

18x2 + 32

None of these.

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the inverse of f(x) = -4x - 12

f-1(x) = 4x - 3

f-1(x) = -1/4x - 3

f-1(x) = 1/4x + 3

f-1(x) = -4x - 3

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