Which of the following is not true about an explanatory variable?

a) it is used to explain changes in values of another variable
b) it is used to predict changes in values of another variable
c) it is plotted along the x-axis
d) it is a dependent variable

Jamie is hiking up a small mountain. he climbs up at a constant rate of 300 feet/hour until he reaches the peak at 1,500 feet. after that, he hikes down at the same rate to the base of the mountain. the equation that models jamie’s elevation, e, after t hours is e = . jamie’s elevation will be 600 feet after hours and after hours.

Atemperature of 1.64◦f corresponds to answer in units of ◦c.

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)