Algebra of Functions

• 34

• 42

• 88

• 27

Tags

CCSS.HSF-BF.A.1B

If f(x) = 5x and g(x) = 2x-1,

what is the composition f(g(x)) ?

• 10x-1

• 10x-5

• 5x²-1

• 5x²-5

Tags

CCSS.HSF-BF.A.1C

p(x) = 3x + 4
q(x) = 2x²
Find p(q(x))

• 10x²
• 18x² + 4
• 6x² + 4

Tags

CCSS.HSF-BF.A.1C

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

• 19
• 23
• -10
• None of these.

Tags

CCSS.HSF-BF.A.1C

Which is equivalent to (f-g)(x)

Tags

CCSS.HSF-BF.A.1B

Given

f(x) = 3x² + 7x and g(x) = 4x² -2 x - 13, find (f + g)(x).

• 12x² - 13

• 7x⁴ + 5x² - 13

• 7x² + 5x - 13

• 7x² + 9x - 13

Tags

CCSS.HSF-BF.A.1B

f(x) = 3x² + 7x and g(x) = 4x² -2 x - 13, find (f - g)(x).

• -x² + 9x + 13

• -x² + 5x - 13

• 7x² + 5x - 13

• x² - 5x +13

Tags

CCSS.HSF-BF.A.1B

When f(x) = 4x+5 and

g(x) = x+2, find

(f⋅g)(x)

• 4x²+10

• 4x²+13x+10

• 4x²+7x+10

• 4x²+5x+10

Tags

CCSS.HSF-BF.A.1C