Write the equation of a sine function that has the given characteristics.The graph of y = x2, shifted 2 units downward

A. y = x2 - 2
B. y = 2x2
C. y = 
D. y = x2 + 2


Answer: A

Mathematics

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Solve.A machinist who had been producing 50 parts per day increased output to 85 parts per day by using a faster machine. How many times faster is the new machine? Express your answer as a mixed number.

A. 1 times faster
B. 2 times faster
C. 2 times faster
D. 1 times faster

Mathematics

Write as a proportion.15 is to 18 as 2.5 is to 3.

A.   =  
B.   =  
C.   =  
D.   =  

Mathematics

Provide an appropriate response.In the problem statement "the difference between Y and 17 is 22," the word "difference" indicates:

A. multiplication B. division C. addition D. subtraction

Mathematics

Find an equation for the ellipse described.Center (0, 0); major axis horizontal with length 8; length of minor axis is 4

A.  +  = 1
B.  +  = 1
C.  +  = 1
D.  +  = 1

Mathematics