Which of the following is a parent function? a. f(x)=1/2 3^x b. f(x)=-3x^3 +1 c.2^x d.3^x -x/3

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

What is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?