Write an equivalent expression. Use an associative law.(2x)y
A. 2x + 2y
B. (x2)y
C. (2y)x
D. 2(xy)
Answer: D
Mathematics
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Use implicit differentiation to find dy/dx.x3 + 3x2y + y3 = 8
A. - 
B. - 
C. 
D. 
Mathematics
Multiply and simplify if possible.
A. 5x
B. 25x
C. 5
D. 
Mathematics
Solve the inequality. Write the solution set using interval notation and graph it.-3(2y - 4) < -9y + 6
A. (-?, -9)
B. (-?, -2)
C. (-2, ?)
D. (-9, ?)
Mathematics
On each of three consecutive days the NationalWeather Service announces that there is a 50-50 chance of rain. Assuming that the National Weather Service is correct, what is the probability that it rains on at most one of the three days? Justify your answer. (Hint: Represent the outcome that it rains on day 1 and doesn’t rain on days 2 and 3 as RNN.)
What will be an ideal response?
Mathematics