13. (04.07 MC) Which exponential function goes through the points (1, 8) and (4, 64)? (5 points)
Of(x) = 4(2)*
Of(x) = 2(4)*
Of(x) = 4(2)-*
f(x) = 2(4)-*

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Pls never taught i’m really confused and i rlly need

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?