1(5) Function Operations

Which expression is equivalent to (fg)(5)?

A: f(5) * g(5)

If p(x) = x2 – 1 and q(x)= 5(x-1), which expression is equivalent to (p – q)(x)?

C

If f(x) and g(x) are a quadratic functions but (f + g)(x) produces the graph below, which statement must be true?

A

If f(x) = 3×2 + 1 and g(x) = 1 – x, what is the value of (f – g)(2)?

B

If f(x) = 4 – x2 and g(x) = 6x, which expression is equivalent to (g – f)(3)?

C

If f(x) = 8 – 10x and g(x) = 5x + 4, what is the value of
(fg)(-2)?

B

Which expression is equivalent to (f + g)(4)?

A

If f(x)= sqrt x+12 and g(x)= 2*sqrt x. What is the value of
(f-g)(144)

C

If r(x) = 3x – 1 and s(x) = 2x + 1, which expression is equivalent to (r/s)(6)

A

If c(x)=5/x-2 and d(x) = x + 3, what is the domain of (cd)(x)?

B

Which expression is equivalent to (st)(6)?

C

If f(x) = x^2 – 2x and g(x) = 6x + 4, for which value of x does
(f + g)(x) = 0?

B

If f(x)= 16x-30 and g(x)= 14x-6 what value of x does
(f-g)(x)=0?

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