The average rate of change of the function h(x) =3(2)^x as x varies from x=0 to x=3 is (1) 7

(2)23 over 3

(3) 23

(4) 24

the solution, from the graphing of the two lines, is (3,2), i.e., x = 3, y = 2.

daren is correct because

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(a) x intercepts: -6 and 2

you can obtain these by solving the equation 0=x^2 +4x-12 using your favorite quadratic formula. but it is easy to verify -6 and 2 indeed satisfy this equation.

(b) y intercept: -12

this is obtained by setting x=0: 0^2+4*0-12 = -12

(c) the minimum value is: -16 (this is the vertex)

you can get the vertex by rewriting the equation into the form:

there is no global or local maximum as the function goes to infinity, so only in the limit sense: +infinity.