Determine the indefinite integral. Check your work by differentiation.
dt
A. -9sin t + C
B. -9 cos t + C
C. - 
+ C
D. - 
+ C
Answer: A
Mathematics
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Convert to decimals.21°55'
A. 21.88° B. 21.92° C. 21.98° D. 21.93°
Mathematics
Solve.In a dc circuit the power P dissipated in the circuit is given by the equation P = R?I2 where R is the circuit resistance in ohms and I is the current in amperes. What current will produce 2420 watts of power in a 20-ohm resistor?
A. 40 amps B. 32 amps C. 15 amps D. 11 amps
Mathematics
Graph the function.f(x) = 
+ 5
A. 
B. 
C. 
D. 
Mathematics
Graph the function.f(t) = - cos 
A. 
B. 
C. 
D. 
Mathematics