Solve the equation.7x = 4
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.The equation for free fall at the surface of Planet X is 
with t in seconds. Assume a rock is dropped from the top of a 
cliff. Find the speed of the rock at 
A. 52.85 m/sec B. 108.7 m/sec C. 53.85 m/sec D. 107.7 m/sec
Mathematics
Write a negation of the inequality. Do not use a slash symbol.x ? 20
A. x ? -20 B. x > 20 C. x > -20 D. x ? 20
Mathematics
Simplify.
? 
A. 
B. 
C. 
D. 
Mathematics
Use the vertical line test to determine if y is a function of x.
A. Function B. Not a function
Mathematics