Practice problem
Let f(x)=5x2f(x) = 5x^2f(x)=5x2 and g(x)=3x3g(x) = 3x^3g(x)=3x3. What is (fg)(x)(fg)(x)(fg)(x)?
15x515x^515x5
15x615x^615x6
8x58x^58x5
8x68x^68x6
Type a concept, like “slope” or “photosynthesis”.