Lena sells cosmetics and receives commission of 45%. she sold $200 worth of cosmetics to one customer. how much commission did she earn?

(if f(x)=4x^2 and g(x)=x+1, find (f o g)(x)

Astudent simplified a rational expression as shown.

In exponential growth functions, the base of the exponent must be greater than 1,how would the function change if the base of the exponent were 1? how would the fiction change if the base of the exponent were between 0and 1