Find (f - g) ( - 2) for the function f(x) and g(x) given below.

f(x) = x^2 + 1 and g(x) = x - 4

(f - g) ( - 2) = ?

​

Solve the problem by making up an equation. a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 3 times the age of the child?

6x - 8 = 16 solve the following equation. then place the correct number in the box provided.

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.