Find an equation for the surface obtained by rotating the parabola y=3x² about the y-axis.
What will be an ideal response?
3z²+3x²=y
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Provide an appropriate response.Is f continuous at f(1)? 
A. No B. Yes
Solve the problem and answer the question.A baker can decorate the day's cookie supply four times as fast as his new assistant. If they decorate all the cookies working together in 28 minutes, how long would it take for each of them to decorate the cookies working individually?
A. baker: 35 min
assistant: 140 min
B. baker: 140 min
assistant: 35 min
C. baker: 8
min
assistant: 33 min
D. baker: 140 min
assistant: 560 min
Write the numerator and denominator of the given fraction.
A. numerator: 16, denominator: 1
B. numerator: 9, denominator: 7
C. numerator: 7, denominator: 9
D. numerator: 
, denominator: 9
A survey of 100 bank customers revealed that 58 of them have a savings account, 63 of them have a checking account, 22 of them have a savings account and a loan, 16 of them have a checking account and a loan, 27 of them have only a checking account, 12 have a savings account and a checking account and a loan. Assume that every customer has at least one of the services. How many customers have a loan?
A. 38 B. 37 C. 50 D. 11 E. none of these