Solve the problem. Round to the nearest cent.Find the future value of $4000 invested over 6 years in an account with an APR of 3% compounded semiannually.
A. $4373.77
B. $4720.00
C. $4782.47
D. $4776.21
Answer: C
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Change the order of integration and evaluate the integral.
A. 108? B. 72? C. 36? D. 54?
Secret messages can be encoded by using a code and an encoding matrix. If we have the code: 
and an encoding matrix: E = 
, we can encode a message by taking every two letters of the message, converting them to their corresponding numbers, creating a 
/> matrix, and then multiplying each two numbers by E. Use the code and encoding scheme above and an additional encoding matrix, F = 
, to answer the question.If the letters to be encoded are L = 
, show that E(FL) = (EF)L.
What will be an ideal response?
State whether the graph is or is not that of a function.
A. Not a Function B. Function
Solve the problem.The motion of a projectile that is fired at a 45° angle with the horizontal is given by x = v0
t, 
for t in 
Suppose a projectile is fired with an initial velocity of 300 feet per second at an angle of 45° with the horizontal. Find (a) the time when it strikes the ground and (b) the range (horizontal distance covered).
A. (a) 13.3 sec (b) 2813 ft B. (a) 26.5 sec (b) 703 ft C. (a) 26.5 sec (b) 5625 ft D. (a) 6.6 sec (b) 703 ft