Verify that the given equation is an identity.e4x = cosh 4x + sinh 4x
What will be an ideal response?
cosh 4x + sinh 4x = 
+ 
= 
= e4x
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Provide an appropriate response.Which is a list of the factors of 21?
A. 1, 2, 3, 6, 9, 18 B. 2, 4, 6, 8, 10, 12, 14, 16, 18 C. 3, 6, 9, 12, 15, 18 D. 1, 3, 7, 21
Differentiate the function.
Solve the problem.The voltage across a resistor is jointly proportional to the resistance of the resistor and the current flowing through the resistor. If the voltage across a resistor is 
for a resistor whose resistance is 
and when the current flowing through the resistor is 
find the voltage across a resistor whose resistance is 
and
when the current flowing through the resistor is 
A. 56 volts
B. 16 volts
C. 14 volts
D. 28 volts
The equation gives the position s = f(t) of a body moving on a coordinate line (s in meters, t in seconds).s = 5 + 7 cos tFind the body's jerk at time t = ?/3 sec.
A. 
m/sec3
B. 
m/sec3
C. - 
m/sec3
D. - 
m/sec3