Use the function 
from x = 0 to x = 1 and n equal subintervals with the function evaluated at the left-hand endpoints of each subinterval. Find a formula for the sum of the areas of the n rectangles (call this S).
?
A. 
B. 
C. 
D. 
E. 
Answer: B
Mathematics
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Write the expression with positive exponents only. Then simplify, if possible.5-1 + 8-1
A. 2
B. 
C. - 
D. 
Mathematics
Give a number that satisfies the given condition.A whole number less than 3.5
What will be an ideal response?
Mathematics
The lengths of the sides of a triangle are given. Determine if the triangle is a right triangle. If it is, identify the hypotenuse.1, 2, 3
A. right triangle; 3 B. right triangle; 1 C. right triangle; 2 D. not right triangle
Mathematics
Solve. If necessary, round to the nearest tenth.A flagpole casts a shadow of 34 feet. Nearby, a 7-foot tree casts a shadow of 5 feet. What is the height of the flagpole?
A. 24.3 ft B. 1,190 ft C. 1 ft D. 47.6 ft
Mathematics