Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = tan
A. y = tan u; u = ? - 
; 
= 
sec
tan
B. y = tan u; u = ? - 
; 
= sec2
C. y = tan u; u = ? - 
; 
= sec2
D. y = tan u; u = ? - 
; 
= 
sec2
Answer: D
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Use implicit differentiation to find dy/dx and d2y/dx2.4
- y = 2x
A. 
= 
- 2; 
= - 
B. 
= 
; 
= 
C. 
= 
; 
= 
D. 
= 
; 
= 
Find the indicated probability. Round your answer to 6 decimal places when necessary.If a person is randomly selected, find the probability that his or her birthday is not on New Year's Day. Ignore leap years.
A. 
B. 
C. 
D. 
Suppose 100 people counted the number of cars passing an intersection in one hour. Due to error, not all people get the same value. The mean is 75 and the standard deviation is 1. Use the sketch to find how many people report the following. 
Between 77 and 78 cars
A. 3 people B. 98 people C. 15 people D. 2 people
Write the sentence as a proportion.12 is to 3
as 48 is to 14
A. 
= 
B. 
= 
C. 
= 
D. 
= 