Evaluate: 3.2^t when t = 4 *

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Find the volume of the solid whose base is the region bounded by f(x), g(x) and the x-axis on the interval [0, 1], and whose cross-sections perpendicular to the y-axis are squares. your work must show the integral, but you may use your calculator to evaluate it. give 3 decimal places for your answe

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?