Use a finite sum to estimate the average value of the function on the given interval by partitioning the interval and evaluating the function at the midpoints of the subintervals.f(t) = 7 - 
2 on [0, 4] divided into 4 subintervals
A. 7
B. 
C. 
D. 
Answer: B
Mathematics
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Let x represent the number. Use the given conditions to write an equation. Solve the equation and find the number.Four times the difference of 11 and a number gives 60. Find the number.
A. -16 B. 16 C. -4 D. 4
Mathematics
Solve the problem. Round to the nearest tenth, if necessaryWhat is the part, if the percent is 100 and the whole is 1980?
A. 198 B. 1980 C. 19,800 D. 198,000
Mathematics
?Compare dy and ?y for 
at ?x? = 1 with ??x? = dx = -0.09. Give your answers to four decimal places.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Rationalize the denominator. Assume all variables represent positive real numbers.
A. 
B. 
C. 8
D. 
Mathematics