Question

Given f (x) = 2x - 10 forwhichvalueofxthat f (x) = -12

Answer 1

x = - 1

Explanation:

f(x) = 2x - 10 and f(x) = - 12, then equating gives

2x - 10 = - 12 ( add 10 to both sides )

2x = - 2 ( divide both sides by 2 )

x = - 1

Answer 2

=-240..................