Solve.For f(x) = 
, find all x-values for which f(x) ? 0.
A. 
or 
B. 
? [3, ?) or 
C. 
or 
D. (-?, -3) ? 
or 
Answer: C
Mathematics
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Multiply the polynomials using a special product formula. Express the answer as a single polynomial in standard form.(2x - 7)2
A. 2x2 + 49 B. 4x2 - 28x + 49 C. 4x2 + 49 D. 2x2 - 28x + 49
Mathematics
Add. Do not use a number line except as a check.2.1 + (-6.6)
A. -8.7 B. -4.5 C. 4.5 D. 8.7
Mathematics
Determine the specific solutions (if any) to the equation on the interval [0, 2?).sec2? - 2 = tan2 ?
A. 
B. 
C. no solution
D. 
Mathematics
Solve the problem.A spherical ball has a volume of 36? inches. What is the radius of the ball? 
A. 4? inches B. 2 inches C. 4 inches D. 3 inches
Mathematics