Graph the equation.y = x2 + 4

A.

B.

C.

D.


Answer: B

Mathematics

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Solve the problem by integration.Under specified conditions, the time t (in min) required to form x grams of a substance during a chemical reaction is given by   Find the equation relating t and x if x = 0 g when 

A. t =  ln  -  ln 
B. t =  ln  +  ln 
C. t =  ln  +  ln 
D. t =  ln  -  ln 

Mathematics

Evaluate the integral.

A. tan38t - tan 8t + t + C
B. tan38t - tan 8t + t + C
C. - tan38t + tan 8t + C
D. tan38t - tan28t +  tan 8t + t + C

Mathematics

Use the given values of the variables to find the value of the expression.  for x = -2, y = -1, a = 1

A. - 15
B.  
C.
D. - 18

Mathematics

Graph the line.y + 2x = -2

A.

B.

C.

D.

Mathematics