Find the balance of a savings account after 2and1/2 years if the simple interest earned each quarter is 0.35% and the principal is $450. what is the balance after 2 and 1/2 years is $ .

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)

what is the question

d will be the best answer