Suppose f(x)= sqrt x^2+5x+8 and g(x)= 8x-6

simplify this equation:
(f of g)(x)=

1 answer

sqrt(8x-6)^2 + 5(8x-6) + 8

= sqrt(64x^2 - 96x + 36) + 40x - 30 + 8

= sqrt(64x^2 - 96x + 36) + 40x - 22
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