Use a graphing calculator to determine which expression completes the identity.The expression 
is to be the left hand side of an equation that is an identity. Which one of the following four expressions can be used as the right hand side of the equation to complete the identity?
A. cos x + 1
B. tan x - sec x
C. sin x + cos x
D. cot x + sin2x
Answer: C
Mathematics
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Evaluate the line integral of f(x,y) along the curve C.f(x, y) = y + x, C: x2 + y2 = 100 in the first quadrant from (10, 0) to (0, 10)
A. 200 B. 400 C. 100 D. 0
Mathematics
At what points is the given function continuous?f(x, y) = 
A. All (x, y)
B. All (x, y) satisfying x - y ? 0
C. All (x, y) such that x ? 0
D. All (x, y) such that x ? 
and x ? -2
Mathematics
Identify the base and the exponent for the exponential expression.(-2x)4
A. Base: x, exponent: 4 B. Base: 4, exponent: -2x C. Base: 2x, exponent: 4 D. Base: -2x, exponent: 4
Mathematics
If A-1 = 
, find A.
What will be an ideal response?
Mathematics