Determine if the graph of the function is concave up or concave down.y = -(x + 5)2 - 3
A. Concave up
B. Concave down
Answer: B
Mathematics
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Use the integral test to determine whether the series converges.
A. diverges B. converges
Mathematics
Find the indicated probability.f(x) = 3x
over [0, 1], P(0.2 < x)
A. 0.828 B. 0.968 C. 0.928 D. 0.088
Mathematics
Use the properties of summation notation to find the sum.
A. 206 B. 162 C. 174 D. 154
Mathematics
Solve the problem.For a particular circuit, the current (in amperes) after time t (in seconds) at a certain point P is given by 
Find the charge (in coulombs) that passes point P during the first second.
A. 263 C B. 0.005 C C. 0.0038 C D. 1.3 C
Mathematics