Question

The value of p(x) = 5x-4×2 + for x = -1 is ​

Answer 1

$\huge\mathrm{ Answer:-}$

$p(x) = 5x-4×2$

$\mathrm{we\: know\:x=-1}$

$p( - 1) = 5 \times ( - 1) - 4 \times 2$

$p( - 1) = - 5 - 8$

$\: \: \: \: \: \: \: \: ⇒p( - 1) = - 8$

$\mathrm{Hope\:its\: helpful}$

Answer 2

Answer:

$p(x) = 5x - 4 \times 2 = 5x - 8 \\ \\ given \: x = - 1 \\ \\ 5( - 1) - 8 = - 5 - 8 = - 13$

HENCE P(-1)=-13