03/18/2021 Operations with Functions

03/18/2021 Operations with Functions

Elizabeth Borres

Today, we will have make-up and extra credit work.

(Evaluate and operations with Functions)

Make sure to make-up/retake any missed works.

• March 19 (Last Day of make-up/retake for Q3)

• March 24 (Report Card Distribution)

Poll

Are you ready?

Multiple Choice

p(x) = 3x + 4

q(x) = 2x²

Find p(q(x))

• 10x²

• 18x² + 4

• 6x² + 4

Multiple Choice

• 9 - 8/3

• 9 + 8/3

• 3

• 1/3

Multiple Choice

• 9 - √5

• √14

• 16

• 4

Multiple Choice

Given g(x) = -2x+2 and f(x) = 3x²+4, find (g+f)(-3).

• 39

• -27

• -23

• -19

Multiple Choice

Given f(x) = x² + 5 and g(x) = 2x³ - 1, find (f/g)(-3).

• -14/55

• 14/55

• 2

• -2

Multiple Choice

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

Multiple Choice

f(x) = 4x + 1 and g(x) = 4x - 3

Find f(x) * g(x)

• 16x² + 8x - 3

• 16x² - 8x + 3

• 16x² - 8x - 3

• 16x² - 16x - 3

Multiple Choice

f(n)=x²+1

g(n)=2x-5

Find f(n)-g(n)

• x²-2x+6

• -x²+2x+4

• -x²-2x-6

• x²-2x-4

Poll

Do you have any question(s)