Find the square root.

A. 20
B. 1600
C. 80
D. 40


Answer: D

Mathematics

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Change the following mixed numbers to improper fractions:

7 1 a. 1Ä c. 5Ä 8 8 3 9 b. 2Ä d. 3ÄÄ 4 16

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Find the derivative of the function. ? 

What will be an ideal response?

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Complete the following for the given f(x). (i) Find f(x + h). (ii) Find the difference quotient of f and simplify.f(x) = 10x2 + 10x - 9

A. (i) 10x2 + 10xh + 10h2 + 10x + 10h - 9 (ii) 10x + 6 + 20h B. (i) 10x2 + 20xh + 10h2 + 10x - 9 (ii) 20x + 10 C. (i) 10x2 + 20xh + 10h2 + 10x + 10h - 9 (ii) 20xh + 10h + 10h2 D. (i) 10x2 + 20xh + 10h2 + 10x + 10h - 9 (ii) 20x + 10h + 10

Mathematics

Express the sum using summation notation. Use a lower limit of summation not necessarily 1 and k for the index of summation.a + ar + ar2 + . . . + ar11

A.
B.
C.
D.

Mathematics