Question

Given the function f(x) = −2x + 8, find x if f(x) = 22.

Answer 1

replace x by 22
f(22)=-2*(22)+8

Answer 2

-7

Answer 3

Put f(x) = 22

\[-2x + 8 = 22\]

\[-2x = 14\]

x = -7

Answer 4

Yes you are right..

Answer 5

wow i made a mistake
its actually f(x)= 22 so it would be
22=-2x+8 so
22-8=-2x
x=-7
sorry

Answer 6

@Andreslvc that is value of f(x) given and not x..

Answer 7

yes correction writted, didn't read the question completely sorry :D

Answer 8

Be careful next time buddy..

Answer 9

is it -7

Answer 10

yes -7