QuestionBob bought a house for \$42,000. Now it's worth \$67,500 after 8 years.
(a) Find the linear equation $V=m t+b$ for $0 \leq t \leq 15$. What are $m$ and $b$? (b) Estimate when the house will be worth \$72,500. (c) Solve for when it will be worth \$74,000. (d) Find when it will be worth \$80,250.