Express the sum using summation notation. +  +  + . . . + 

A.
B.
C.
D.


Answer: D

Mathematics

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Convert to fractional notation.0.2%

A.  
B.  
C.
D.  

Mathematics

Approximate the area under the graph of f(x) over the specified interval by dividing the interval into the indicated number of subintervals and using the left endpoint of each subinterval.f(x) = -0.02x4 - 0.2x2 + 10; interval [-4, 4]; 4 subintervals

A. 30.28 B. 29.44 C. 60.56 D. 58.88

Mathematics

Evaluate.8x ÷ 10x2, for x  = 5

A.
B. 100
C.
D. 40

Mathematics

For problems 9-11 use . Use interval notation to represent the domain and range.

A. domain , range
B. domain , range
C. domain , range
D. domain , range
E. None of these

Mathematics