Perform each of these operations using the bases shown.
a. 23 subscript five baseline times 2 subscript five23five•2five
d. 233 subscript five baseline divided by 4 subscript five233five÷4five
b. 23 subscript five baseline divided by 2 subscript five23five÷2five
e. 10010 subscript two baseline divided by 11 subscript two10010two÷11two
c. 45 subscript six baseline times 23 subscript six

answer: c, the green line

step-by-step explanation:

there is no black line, eliminate b.

simple interest implies periodic payments, but the red line shows no payments, eliminate d.

simple interest has equal payments. if paid say every day, the graph is about a straight line (actually a stairstep).

the yellow line is not straight, eliminate a.

check: the green line is straight, answer is c.

simple interest with positive interest rate gives a straight line sloping up to the right. green line:

g(t) = $100 + ($200-$100) ÷ (20 years) × (t years)

= $100 + (4%/year) × ($100)(t years)

incidentally, the yellow line curving upward represents continuously compounded interest

y = $100 × 2^(t years / (14 assuming the yellow line hits $200 at 14 years. 2^0 is 1, so y(0) = $100; 2^(14/14) is 2, so y(14) = $200.

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