Decide if the function is an exponential function. If it is, state the intial value and the base. y = 5 ^ x

When george started his current job, his employer told him that at the end of the first year, he would receive two vacation days. after each year worked, his number of vacation days will double up to five work weeks (25days) of payed vacation. how many vacation days will he have in 4 years

What is the slope of any line parallel to the line 8x+9y=3 in the standard (x,y) coordinate plane?

Javier bought a painting for $150. each year, the painting's value increases by a factor of 1.15. which expression gives the painting's value after 77 years?