Find the derivative of y with respect to x, t, or ?, as appropriate.y = ln 5x2
A. 
B. 
C. 
D. 
Answer: A
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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 by evaluating 
A. 1.29 C B. 0.005 C C. 256 C D. 0.0039 C
Solve.Mary and her brother John collect foreign coins. Mary has twice the number of coins that John has. Together they have 105 foreign coins. Find how many coins Mary has.
A. 70 coins B. 35 coins C. 63 coins D. 14 coins
Graph the ellipse described.Center at (0, 0)Focus at (0, - 
) Vertex at (0, 9)
A. 
B. 
C. 
D. 
Use the properties of logarithms to rewrite the expression. Simplify the result if possible. Assume all variables represent positive real numbers.log19
A. 
B. (log1914)( log19m) - log19s
C. log1914 + log19m - log19s
D. log1914 - log19m - log19s