Solve the problem.Approximate the area under the graph of f(x) = 2x2 + x + 3 from -2 to 1 by partitioning the interval into 3 subintervals of equal length and choosing t to be the left endpoint.
A. 26
B. 13
C. 16
D. 22
Answer: C
Mathematics
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Determine which value(s), if any, must be excluded from the domain of the variable in the expression.
A. x = -5
B. none
C. x = 0, x = - 
D. x = -25
Mathematics
Provide the proper response.Indicate whether the following equation is an ellipse or a hyperbola. 225x2 + 9y2 = 2025
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve. Write the answer as a mixed number in simplest form.An attorney drove 20
miles from his home to a client's home and another 20
miles to get to his office. How far did he drive in total?
A. 39
mi
B. 41
mi
C. 20
mi
D. 40
mi
Mathematics
Solve the equation.
= 8 - 
A. 
B. 
C. {1}
D. {2}
Mathematics