Solve the problem.An arrow is fired into the air with an initial velocity of 160 feet per second. The height in feet of the arrow t seconds after it was shot into the air is given by the function 
Find the maximum height of the arrow.
A. 400 ft
B. 80 ft
C. 720 ft
D. 1200 ft
Answer: A
Mathematics
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Find the product.(4x2 + 3x + 4)(x2 + 5x - 4)
A. 4x4 + 20x3 + 3x2 + 8x - 16 B. 4x4 + 20x3 - 1x2 + 8x - 16 C. 4x4 + 23x3 + 3x2 + 8x - 16 D. 4x4 + 23x3 - 1x2 + 8x - 16
Mathematics
Use the information given in the figure.
How many are in B or C?
A. 59 B. 54 C. 10 D. 50
Mathematics
Write each whole number in expanded form.473
A. 47,300 B. 400 + 70 + 3 C. 4000 + 700 + 30 D. 300 + 70 + 4
Mathematics
Find the exact value of the expression.cos 
cos 
+ sin 
sin 
A. 
B. 
C. 
D. 1
Mathematics