Find the real solutions of the equation.
= 7
A. {7}
B. {49}
C. {
}
D. {
}
Answer: A
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Solve.April shoots an arrow upward into the air at a speed of 64 feet per second from a platform that is 32 feet high. The height of the arrow is given by the function h(t) = -16t2 + 64t + 32, where t is the time is seconds. What is the maximum height of the arrow?
A. 32 ft B. 28 ft C. 96 ft D. 64 ft
Solve the problem.Evaluate 
at t = 6 for the function w(x, y) = ey - ln x; x = t2, y = ln t.
A. 
B. 4
C. - 
D. 
Determine if matrix A is invertible.A = 
A. Invertible B. Not invertible
Solve the problem.Matt bought 3 pounds of oranges and 2 pounds of apples and paid src="https://sciemce.com/media/4/ppg__file0518192205__f1q72g4.jpg" alt="" style="vertical-align: -15.0px;" />
A. $0.74 per pound
B. $0.76 per pound
C. $0.79 per pound
D. $0.72 per pound
before tax. Andy bought 4 pounds of oranges and 3 pounds of apples and paid 
before tax. Use this information to set up a matrix equation of the form AX = B , which can be solved to determine the price per pound for oranges and apples. Solve this matrix equation to find the price per pound of oranges.Use the fact that for 