Choose the equation for the graph. a)y =-lx - 4| +1
b)y= -|x -4 -1

c)y = -lx+4| +1
d) y = -|x+4| -1
e)y = lx - 4+1

-2

7 - 9 = -2

reversed:

-2 + 9 = 7

no

explanation:

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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.