Approximate the area under the graph of f(x) and above the x-axis using n rectangles.f(x) = 3x2 - 2 from x = 1 to x = 5; n = 4; use right endpoints
A. 150
B. 144
C. 140
D. 154
Answer: D
Mathematics
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Find all the second order partial derivatives of the given function.f(x, y) = 
A. 
= 
; 
= - 
; 
= 
= 
B. 
= - 
; 
= 
; 
= 
= 
C. 
= - 
; 
= 
; 
= 
= 
D. 
= - 
; 
= 
; 
= 
= 
Mathematics
Solve the formula for the specified variable.
- 
+ 
= 1 for x
A. x = 
B. y = 
C. x = 
D. z = 
Mathematics
Use the substitution formula to evaluate the integral.
A. 2
- 6
B. 
- 
C. 
- 3
D. - 2
+ 6
Mathematics
Write the following proportions.4 inches is to 9 inches as 20 inches is to 45 inches
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics