The cost of having photos taken includees fee and $12 for each photo. mrs. fong buys 6 photos for a total cost of $87.what

The rate of change is $12/photo and the sitting charge would be 15.

y = 12x + 15

Step-by-step explanation:

Multiply 6 * 12 and subtract that from 87.

6 * 12 = 72

87 - 72 = 15

f(x) = x^3 -2x^2 -3x

x( x^2 -2x-3)

x( x^2 +x -3x -3)

x( x(x+1) -3(x+1))

x( x-3)( x+1)

so zeroes are 0, 3,-1

its (2) option

m a t h w a y. c o m

step-by-step explanation: