Using the variable x, write the interval using set-builder notation.
A. {x| x > -5}
B. {x| x ? -5}
C. {x| x < -5}
D. {x| x ? -5}
Answer: A
Mathematics
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For the pair of functions, find the product function or functional value indicated.Find (fg)(3).f(x) = x2 - 4g(x) = 2x
A. (fg)(3) = 6x3 - 24x B. (fg)(3) = 4x2 - 4 C. (fg)(3) = 30 D. (fg)(3) = 10
Mathematics
Decide whether the expression is or is not an identity.csc2 
= 
A. Identity B. Not an identity
Mathematics
Provide an appropriate response.Find the present value of an ordinary annuity with quarterly payments of $250 for 40 years at 7.25% compounded quarterly.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the center and radius of the circle.x2 + y2 + 6x - 2y + 10 = 81
A. (-1, 3), r = 81 B. (-3, 1), r = 9 C. (1, -3), r = 9 D. (3, -1), r = 81
Mathematics