PLEASE HELP ME!! Graph the function f(x) = 21(0.5)x. (A) an exponential graph decreasing from the left and crossing the y axis at 0 comma 5

(B) an exponential graph decreasing from the left and crossing the y axis at 0 comma 21

(C) an exponential graph decreasing from the left and crossing the y axis at 0 comma 18

(D) an exponential graph decreasing from the left and crossing the y axis at 0 comma 8

the graph in the attached figure

step-by-step explanation:

we have

using a graphing tool

the graph in the attached figure

the roots are ( x-intercepts) x=-0.5,x=1,x=3

the y-intercept is the point (0,3)

they disappear if your absent from to long. i found out that the hard way.

step-by-step explanation:

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step-by-step explanation:

ever thing time 1 is a multiply by 1 it get  

step-by-step explanation:

a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 2 times the age of the child?

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this needs to be the answer format, or else your answer is incomplete.

if the number of years is x, then the equation is

in __ years