Use the given information to find the exact value of the trigonometric function.cos ? = 
, ? lies in quadrant IV
Find cos 
.
A. - 
B. 
C. - 
D. 
Answer: C
Mathematics
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Find an antiderivative of the given function.f(x) = 
x5/7
A. 
x12/5
B. 
x12/7
C. 
x12/5
D. 
x12/7
Mathematics
Solve the logarithmic equation.log2 
= -4
A. {-9} B. ? C. {23} D. {-16, 16}
Mathematics
Subtract. Check by adding.
A. 2279 B. 2259 C. 7283 D. 2283
Mathematics
The power, in watts, dissipated as heat in a resistor varies jointly with the resistance, in ohms, and the square of the current, in amperes. A 45-ohm resistor carrying a current of 1 ampere dissipates 45 watts. How much power is dissipated in a 40-ohm resistor carrying a current of 2 amperes? ?
A. ?
B. ?
C. ?
D. 
E. ?
Mathematics