Adding, Subtracting, and Multiplying Functions

f(x) = 3x + 10
g(x) = x - 2
Find g(f(-10))

• -42

• -26

• -18

• None of these.

Tags

CCSS.HSF-BF.A.1C

f(x) = 3x + 10
g(x) = x - 2
Find (f∘g)(0)

• 16

• 4

• -4

• None of these.

Tags

CCSS.HSF-BF.A.1C

Given f(x) = 3x + 10
and g(x) = x - 2
Find f(g(5))

• 19

• 23

• -10

• None of these.

Tags

CCSS.HSF-BF.A.1C

Given that f(x) = x² + x and g(x) = 3x + 1, find the value of g(f(-2)).

• -14

• 20

• 6

• 7

Tags

CCSS.HSF-BF.A.1C

The domains of (f+g)(x), (f−g)(x) and (f⋅g)(x) are all the same.

• True

• False

Tags

CCSS.HSF-BF.A.1B

Given f(x) = x² - 25 and g(x) = x - 5, find   (fg)(4).

• -9

• -13

• 0

• 9

Tags

CCSS.HSF-BF.A.1B

Which expression is equivalent to x(2x²+3x)?

• 2x³+3x²

• 2x²+3x

• 2x²+3x²

• 2x³+3x

Tags

CCSS.HSA.APR.A.1

If f(x) = (4x²+ x) and g(x) = (x²+ 2x)

Find f(x) - g(x).

• 3x² - x

• 4x² + 2x

• 3x² + 3x

• 3x² + 2x

Tags

CCSS.HSF-BF.A.1B

If a(x) = (4n⁴ - 8n + 4) and b(x) = (8n² + 4n⁴ + 1)

Find a(x) - b(x)

• -8n² - 8n + 3

• -7n² - 8n + 3

• -6n² - 8n + 3

• -7n² - 4n + 3

Tags

CCSS.HSA.APR.A.1

Create your own functions and combine by performing either addition, subtraction, or multiplication.

Hint: You can use previous quiz problems as an example but use different numbers!

Tags

CCSS.HSF-BF.A.1B