Simplify the expression to either 1 or -1.tan2 x - sec2 (-x)
A. -1
B. 1
Answer: A
Mathematics
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Find the average value of the function over the region.f(r, ?, z) = r over the region bounded by the cylinder r = 6 between the planes z = -8 and z = 8
A. 9 B. 4 C. 6 D. 2304?
Mathematics
Use identities to find the indicated value for each angle measure.sin ? = 
, tan ? < 0
Find sin(2?).
A. 
B. 
C. 
D. - 
Mathematics
Find the range of the quadratic function in interval notation.f(x) = (x + 2)2 + 8
A. [2, ?) B. [8, ?) C. [-8, ?) D. [-2, ?)
Mathematics
Find the degree and leading coefficient of the polynomial.-3x3 + 12 - 16x4 + x9 + 17x2
A. Degree: 3; leading coefficient: -3 B. Degree: 4; leading coefficient: -16 C. Degree: 9; leading coefficient: 1 D. Degree: 9; leading coefficient: -3
Mathematics