Graph the quadratic function.f(x) = -x2 - 1
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Determine whether a scalar or a vector is described.4 g
A. Vector B. Scalar
Mathematics
Use the binomial theorem to expand the expression.(3x - 4y)3
A. 9x3y - 24x2y2 + 16xy3 B. 9x3y - 12x2y2 + 16xy3 C. 27x3 - 108x2y + 144xy2 - 64y3 D. 27x3 - 36x2y + 48xy2 - 64y3
Mathematics
A woman drives her snowmobile 240 miles at the rate of r mph. She could have gone the same distance in 2 hours less time if she had increased her speed by 20 mph. Find r.
A. 27 mph B. 37 mph C. 33 mph D. 57 mph E. 40 mph
Mathematics
How long will it take $1,500 to double itself if it is invested at 5% interest compounded semiannually? Please round the answer to the nearest tenth.
A. 14.0 years B. 17.0 years C. 14.5 years D. 13.0 years E. 15.0 years
Mathematics