Finance. If a total of $ 20,000 is invested, coupons and checks. If the amount invested in bonds exceeds the amount invested in checks by $ 3,000. How much was invested in bonds?

3,000,540

step-by-step explanation:

b

step-by-step explanation:

for future students the answer is b

hope i

-lavira: )

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)