sheila has a plan to save $45 a month for 18 months so that she has $810 to remodel her bathroom. after 13 months shed
has saved s510. if the most sheila can possibly save is $70 per month, which of the following statements is true?
a sheila will meet her goal and does not need to adjust her plan
b. sheila must save $50 per month to achieve her goal.
c sheila must save $60 per month to achieve her goal
sheila will not be able to achieve her goal.

a

step-by-step explanation:

its wrong

step-by-step explanation:

we have

using a graphing tool

see the attached figure

this is a quadratic equation (vertical parabola) open up

the vertex is a > vertex

the domain of the function is all real > interval (-∞,∞)

the range of the function is the > [-6.125,∞)

the function has two x->   and

the function is increasing over the > (0.25,∞)

the function is decreasing over the > (-∞,0.25)

step-by-step explanation:

then