Find the area of the circle. Use 3.14 or 
for ? as indicated.Use 3.14 for ?.
A. 1384.74 cm2
B. 65.94 cm2
C. 131.88 cm2
D. 346.185 cm2
Answer: D
Mathematics
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Find all real numbers that satisfy the equation.tan (x) + 
= 0
A. 
B. 
C. 
D. 
Mathematics
Solve the equation by using the square root property. Simplify all radicals.7p2 = 2
A. 
B. 
C. 
D. 
Mathematics
Find the derivative of the function.f(x) = (5x - 3)(4x3 - x2 + 1)
A. f'(x) = 60x3 + 51x2 - 17x + 5 B. f'(x) = 80x3 - 17x2 + 51x + 5 C. f'(x) = 20x3 + 17x2 - 51x + 5 D. f'(x) = 80x3 - 51x2 + 6x + 5
Mathematics
The probability density function of X is f (x) = 
over [0, 5] . Compute each of the following.
(a) E ( X ) (b) SD(X )
Mathematics