Write the equation of an exponential function of the form y=ab^x+k that passes through the points (1,21) and (3,861) and has the asymptote y=-3

Given tan∅=4/3 and π< ∅< (3π)/2; find cos2∅ a. -24/25 b. 24/25 c. -24/7 d. -7/25

The price for gasoline is represented by the equation y=3.69x, where y represents the total price for x gallons of gasoline. on a graph, the number of gallons is represented on the horizontal axis, and the total price is represented on the vertical axis. determine whether each statement describes the graph of the equation. select true or false for each statement

Me i'm timed right now! a. (0,-5)b. (0,-3)c. (0,3) d. (0,5)