Elvis Presley is an extremely popular singer. Although he passed away in 1977, many of his fans continue to pay tribute by dressing like Elvis and singing his songs.
The number of Elvis impersonators, N(t), for t number of years, can be modelled by the
function
N(t) = 170(1.31)^t
1. Write down the number of Elvis impersonators in 1977.
2. What is the percent rate of increase.
3. Calculate the number of Elvis impersonators when t=70; is this a reasonable prediction? Why or why not?

answer: a and c are correct

step-by-step explanation:

the +5 is the vertical translation

the added negative symbol in front is the reflection over the y-axis

example 2 – simplify: step 1: completely factor both the numerators and denominators of all fractions. step 2: change the division sign to a multiplication sign and flip (or reciprocate) the fraction after the division sign; essential you need to multiply by the reciprocal. step 3 : cancel or reduce the fractions.

answer: you will have more water.