Graph the parabola and label the vertex. Find the y-intercept.y = 
x2 + 1
A. vertex (0, 1), y-intercept (0, 1)
B. vertex (0, -1), y-intercept (0, -1)
C. vertex (0, -1), y-intercept (0, -1)
D. vertex (0, 1), y-intercept (0, 1)
Answer: D
Mathematics
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Solve the problem.John owns a hotdog stand. He has found that his profit is represented by the equation 
with P being profits and x the number of hotdogs. How many hotdogs must he sell to earn the most profit?
A. 40 hotdogs B. 45 hotdogs C. 22 hotdogs D. 41 hotdogs
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Find f"(x) for the function.f(x) = 
A. - 
B. 
C. 
D. - 
Mathematics
Classify the given angle as right, acute, or obtuse.
A. obtuse angle B. right angle C. acute angle
Mathematics
Add or subtract. Express the answer as a mixed number.19
+ 15
A. 35
B. 33
C. 34
D. 19
Mathematics