Solve.In recent years, many states have passed laws against smoking in public buildings. The total number of states N that have passed a no smoking in public buildings law, t years after 1987 is given by the functionN(t) = 
How many states had passed the law in 1987?
A. 1.087
B. 0
C. 2.174
D. 0.217
Answer: C
Mathematics
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Provide an appropriate response.Find the amount by which the interest compounded annually is larger than the simple interest. Round to the nearest cent. Use the formula M = P(1 + i)n to find the compound amount.Principal: $620 Rate: 5% Years: 7
A. $438.40 B. $35.40 C. $24.86 D. $655.40
Mathematics
Find the partial derivative.Let z = f(x, y) = (x + y)8. Find 
.
A. 8(x + y)7 B. 8(x + y) C. 8y(x + y)7 D. 8x(x + y)7
Mathematics
Evaluate the function.f(x) = 3x2 + 5x + 11; Find f(a).
A. 8a + 11 B. 8a C. 3a2 + 5a D. 3a2 + 5a + 11
Mathematics
Graph using a graphing calculator.
- 
= 1
A. 
B. 
C. 
D. 
Mathematics