Which equation represents an exponential function that passes through the point (2, 80)? a. f(x) = 4(x)^5 b. f(x) = 5(x)^4 c. f(x) = 4(5)^x d. f(x) = 5(4)^x

If 90° < θ < 180° and cotθ = -1/3, then cscθ =

Given the choice between receiving $1.000.000 in one month or a single penny-doubled everyday for the period of one month; which option would you choice? show your work to support your answer. (assume that 1 month=30 days)

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m