Anyone know this question?

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

Which speed is the fastest (use 1 mile ≈ 1.6 kilometers)? a. 12 miles/hour b. 18 feet/second c. 19 kilometers/hour d. cannot be determined

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x