Solve using the problem-solving strategy for systems of linear equations.Maria and her children leave her house to meet Jane and her children at the zoo. Jane lives further away than Maria and drives 16 mph faster than Maria. Their combined distance traveled is 63 miles. If both women arrive at the zoo in 45 minutes, find their average speeds.
A. Maria: 38 mph
Jane: 50 mph
B. Maria: 50 mph
Jane: 34 mph
C. Maria: 34 mph
Jane: 46 mph
D. Maria: 34 mph
Jane: 50 mph
Answer: D
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Use implicit differentiation to find the specified derivative at the given point.Find 
at the point (2, 1) for ln x + xy2 + ln y = 0.
A. - 
B. 
C. -1
D. 1
Use =, <, or > to write a true statement.
A. = B. > C. <
Provide an appropriate response.To encourage an even flow of customers, a restaurant varies the price of an item throughout the day. From 6:00 P.M. to 8:00 P.M. customers pay full price. At lunch from 10:30 A.M. until 2:30 P.M. customers pay half price. From 2:30 until 4:30 customers get a dollar off the lunch price. From 4:30 P.M. until 6:00 P.M. customers get $5.00 off the dinner price. From 8:00 until closing time at 10:00 customers get $5.00 off the dinner price. Write a compound function to represent the cost of an item throughout the day for a dinner price of d.
What will be an ideal response?
Use the given functions to find the requested function.f(x) = 6x + 5, g(x) = 4x2Find (g/f)(x).
A. 
B. 
C. 24x2 + 20x
D. 4x2 + 6x + 5