Find the rate of change from x = -1 to x = 3 for the following function: y=4*2^x

19.

step-by-step explanation:

you add the 9 in the tens column since it is a single digit and 9 plus zero is 9 so it is 19

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

c

step-by-step explanation:

6 and 24

step-by-step explanation:

6 x 4 = 24