Verify the integration formula.
3 ln (cosh x2) + C
A. No
B. Yes
Answer: B
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Solve the problem.The electric power P (in W) as a function of the current i (in A) in a certain circuit is given by 
Find the instantaneous rate of change of P with respect to i for i = 0.6 A.
A. 74 W/A B. 44.4 W/A C. 69.6 W/A D. 92 W/A
For the polynomial, list each real zero and its multiplicity. Determine whether the graph crosses or touches the x-axis at each x -intercept.f(x) = 
4(x2 + 2)3
A. - 
, multiplicity 4, touches x-axis
B. 
, multiplicity 4, touches x-axis; 2, multiplicity 3, crosses x-axis
C. - 
, multiplicity 4, crosses x-axis
D. - 
, multiplicity 4, touches x-axis; -2, multiplicity 3, crosses x-axis
Construct a valid argument based on the Euler diagram.
What will be an ideal response?
Write the decimal in words.8.268
A. Eight and two hundred sixty-eight hundredths B. Eight and two hundred sixty-eight thousandths C. Eight and two hundred sixty-eight tenths D. Eight and two hundred sixty-eight millionths