Question

g(x) = x + 7 and h(x) = x 2+ 1

g[h(x)] =



a. x² + 8

b. x² + 14x + 50

c. x² + 50

Answer 1

a

Answer 2

Easy-same as what I just told you(different numbers of course)
is that x^2 or 2x

Answer 3

so just substitute the x^2 +1 in place of x in equation of g(x)

ok ?

Answer 4

Oh ok thanks

Answer 5

so how will be then ?

Answer 6

g(h(x)) = (x^2 +1) +7 = ?

Answer 7

ok ?

Answer 8

Yeah I see now