Question

range of f(x)=-7x-x^2​

Answer 1

Answer:

$given$

$- 7x - x {}^{2}$

$put \: x = 1 \: 2 \: 3...$

$x =1 \\ f(1) = - 7(1) - 1 ^{2} \\ = - 8$

$x = 2 \\ f(2) = - 7(2) - 2 ^{2} \\ = - 18$

$x = 3 \\ f(3) \\ - 7(3) - 3 {}^{2} \\ = - 30$

there fore rage = {-8,-18,-30....}

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Answer 2

Answer:

Step-by-step explanation:

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