Find a Cartesian equation for the parametric equations.x = 7 cos t , y = 2 sin t
A. 
+ 
= 1
B. 
- 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: A
Mathematics
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Find an antiderivative of the given function.6x2 + 12x + 8
A. 2x3 + 7x2 + 8x B. 3x3 + 6x2 + 8x C. 2x3 + 6x2 + 8x D. 2x3 + 6x2 + 9x
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Write the number without exponents.4.0944 × 10-7
A. .0000040944 B. .00000040944 C. -409,940,000 D. .000000040944
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Complete the identity.cos (tan-1 v) = ?
A. 
B. v
C. 
D. 
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Write 
in the form f (x) = (x - k)q(x) when k = -3.
A. 
B. 
C. 
D. 
E. 
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