Aman invests a certain amount of money at 2% interest and $800 more than that amount in another account at 4% interest. at the end of one year he earned $112 in interest. how much money was invested in each account?
which of the following equations could be used to solve the problem?
a.)0.02x + 0.04(800) = 112
b.)0.02x + 0.04(x + 800) = 112
c.)0.04x + 0.02(x + 800) = 112

A.) 0.02x + 0.04(800) = 112

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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.