For exponential functions of the form f(x) = a*, which of the following
expressions is equal to f(1) • f(2)?
Click on the correct answer.
f(12)
f(1 + 2)
f(1 - 2)

What is sin 7x/4 ? i need on this urgent trig

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Astore has apples on sale for three dollars or 2 pounds how many pounds of apples can you buy for nine dollars if an apple is approximately 5 ounces how many apples can you buy for nine dollars