Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = 16 - x2 between x = -4 and x = 4 using the midpoint sum with two rectangles of equal width.
A. 32
B. 48
C. 96
D. 8
Answer: C
Mathematics
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Rationalize the denominator. Assume that all variables represent positive values.
A. 
B. 
C. 
D. 
Mathematics
Find the derivative of the function by using the definition.y = 5x4 - 9x3 - 8
A. 5x3 - 9x2 B. 20x3 - 27x2 - 8 C. 5x3 - 9x2 - 8 D. 20x3 - 27x2
Mathematics
Write an equation in slope-intercept form for the line shown.
A. y = 
B. y = 
C. y = 6x
D. y = -6x
Mathematics
Solve.Two forces of 60 and 30 N (newtons) act on an object at right angles. Find the magnitude of the resultant and the angle that it makes with the larger force.
A. 67 N, 63° B. 67 N, 27° C. 4500 N, 27° D. 67 N, 22°
Mathematics