Math, asked by seymasubasib, 1 year ago

Given: f(x) = 5x + 1 and g(x) = 3x + 7

Evaluate: (2f - 7g)(-2)

if you are correct i will choose you the brainliest and give 5 stars!

Answers

Answered by maria9

0

2f = 2(5x+1) = 10x + 2

7g = 7(3x +7) = 21x + 49

2f - 7g = 10x+2 - 21x - 49 = - 11x - 47

(2f - 7g)(-2) = -11(-2) - 47 = 22-47 = - 25

seymasubasib: are u sure

maria9: kinda ... I never came across such sum before

maria9: but I guess that -2 is the value of variable

seymasubasib: whats -25 then

maria9: thats the answer according to what I did

mathdude200: will u send me this que again

mathdude200: its only 2 step. sol

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