Ineed for the linear function g(x)= 7x-2, which of the following is true? (1) it has the slope of 7 and a y- intercept of -2 (2) it had a slope of -2 and a y- intercept of 7 (3) it had a slope of 7x and a y - intercept of -2 (4) it had a slope of -2 and a y- intercept of 7x

b. x- 48 =120

step-by-step explanation:

hello from mrbilldoesmath!

answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

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