Ineed with questions 7-8 and i needa show my work who’s down ? ?

7-8=-1

Step-by-step explanation: you have 7 and you need to take away 8 so you have to subtract and ypu get -1

Step-by-step explanation:

Well, I don't know if I'm right but I think question 8 would be, 10 to the power of 8 is 100,000 times 3.85 is 385,000,000. Then 1.75 times 10 to the power of 3 is 1,750. Well, 4 quarters equal 1 dollar so you would need 350 million quarters and I'm tired of doing the math for 1,750 so I don't know...

b

step-by-step explanation:

g(x) = 3*(8(3^(x−2))+2)

g(x) = 24 (3^(x-2) )+6

the factor is 2

step-by-step explanation:

let f(x)=8(3^(x−2)+2)

to stretch a graph by 3, it would be 3f(x)

g(x) =3f(x)

g(x) = 3*(8(3^(x−2))+2)

g(x) = 24 (3^(x-2) )+6

x     −2     0     2     4     6

f(x) 1/64 1/16   1/4     1     4

1/64 * z * z = 1/16

i multiplies by z twice because it its 2 steps from -2 to 0

1/64 z^2 = 1/16

multiply by 64 to clear the fraction on the left side

1/4 * 64 z^2 =1/16 *64

z^2 = 4

take the square root of each side

sqrt(z^2) = ±sqrt(4)

z = ±2  

we are multiplying by 2 each time.