F(x) = x + 2 and g(x) = x2 – 4
What is (f*g)(x)?

A) x2 – 2

B) x2 + 4x

C) x2 + 4x – 2

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?