Given f(x)=9x2 + 4 and g(x)= 5x, find (gºf)(x). O A. (20)(x) = 225x2 + 20 o
B. (gºf)(x) = 45 x2 + 20 o
C. (gof)(x) = 225x2 + 4 o
D.(gof)(x)=45x2 + 4​

Luisa sells stuffed animals. she sells her stuffed elephant for $34.90, and the sales tax is 6% of the sale price. about how much is the sales tax on the elephant?