How many solutions exist for the given equation?

(x + 12) = 4x – 1

Find the domain and range of the following function f(x) = 51x - 21+ 4

Which of the following would be a reasonable estimate for the weight of a pencil? a. 1 × 10^-20 lb b. 1 × 10^20 lb c. 1 × 10^2 lb d. 1 × 10^-2 lb

What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?