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4 years ago

5

The function f is defined by f(x)=x^2+7x-18.

1 answer:

love history [14]4 years ago

3 0

If g(x)=f(4x) then:

g(x)=16x^2+28x-18

a,b,c are 16,28,-18 respectively

using the quadratic equation we find x=1/2 and -2.25

A. 1/2

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