Solve using a proportion.
if 10 feet of fencing costs $14.50, how much does 45 feet of fencing cost?
a) $31.03
b) $45.00
c) $65.25
d) $145.00

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2