Function h is the product of functions fand g. f(x) = 4x-6
g(x) = 5x + 9
Which equation defines function h?
A. h(x)= 20x^2 + 3x-54
B. h(x)= 20x^2+ 6x-54
C. h(x)= 20x^2-54
D. h(x)= 20x-54

Function

f(x) = 4x-6

g(x) = 5x + 9

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

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step-by-step explanation: