Question

if g(x) = x2 − 5, find g(7)

Answer 1

plug in 7 for x

Answer 2

^that person is correct! :D

Answer 3

7^2 - 5 = 49 - 5 = 44

Answer 4

why you supposed that x2 means x^2 ? ;)

Answer 5

because try typing x2 in wolfram alpha. it automatically says it is x^2

Answer 6

isn't the standardization that you have the coefficient first, for all variables?

Answer 7

thank you!