Functions Operations

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

• 19
• 23
• -10
• None of these.

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

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

• 16
• 4
• -4
• None of these.

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

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

• -42
• -26
• -18
• None of these.

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

p(x) = 3x + 4
q(x) = 2x²
Find p(q(x))

• 10x²
• 18x² + 4
• 6x² + 4

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.B.3

Given f(x) = -x + 4 and g(x) = 6x + 3, find (f - g)(x).

• -7x + 1
• 5x +1
• -5x -1
• 5x + 1

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.B.3

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

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.B.3

g(n)=4n-4
f(n)=n³+4
Find (g+f)(n)

• -2n²-n+9
• -n³-4n
• -3n³-3n-5
• n³+4n

When f(x) = x² -9 
and g(x) = x+3 ,
find (f/g)(x). 

• x-3
• x+3
• x-12
• x-6

Tags

CCSS.HSA.APR.D.6

CCSS.HSA.APR.D.7

f(x)=x²-1
g(x)=x-1
Find (f/g)(x)

• x+1
• x²+1
• x
• x²-1

f(x)=2x-1
g(x)= -x+2
f(g(0))

• 3
• 23
• -17
• 13