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