Function Operations

f(x)= 2x+5 and g(x)= 3x-9

What is f(x) + g(x)?

• 5x+5

• x+4

• 5x-4

• 2x+5

f(t)= 3t+2 and g(t)= t²-5

Find (f-g)(t)

• -t²+3t+7

• t²+3

• t²+4t+8

• t²+5t

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

Find (f * g)(x)

• 3x²-4x+10

• 3x²-13x-10

• x²+12x

• x²-3x-10

• 6x+4

• 3x+4

g(x)= x³+8x²-2 and f(x)= -3x²+13

Find (g+f)(x)

• 3x²+8

• x³+5x²+11

• -3x³+5x²

• 2x³-5x²-11

g(n)= 2n²-1 and h(n)= n²+3n+6

Find (g-h)(n)

• 2n²+3n-7

• 2n²+2n-6

• n²-3n-7

• n²+3n+6

f(x)= 4x-6 and g(x)= x+7

Find (f * g)(x)

• x²+28x-42

• 4x²+6x+7

• x²+4x-6

• 4x²+22x-42

f(x)= x²+7x+3 and g(x)= x²-6x-5

Find (f+g)(x)

• 2x²+7x+3

• 3x²+6x-5

• 2x²+x-2

• x²+x-5

g(a)= 4a²+11a+8 and h(a)= 5a²+9a+3

Find (g-h)(a)

• -a²+2a+5

• -a²-11a-5

• a²+2a-8

• 9a²+18a+11