Differentiate.h(z) = 

A. h'(z) = - 
B. h'(z) = 
C. h'(z) = 
D. h'(z) = 


Answer: B

Mathematics

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Solve the problem.Last week, Samantha ran 21 miles. This week, she ran 19 miles. How much more did she run last week?

A. 1 miles
B. 1 miles
C. 40 miles
D. 25 miles

Mathematics

Assume you have a digraph with 5 vertices (A, B, C, D, and E) and 9 arcs. A is incident from C, D, and E; B is incident to D and E and incident from C; D is incident to C and incident from E.Suppose that the vertices of the digraph represent individuals and there is an arc going from vertex X to vertex Y if and only if X "likes" Y. Which of the following statements [A), B), C), or D)] is not true?

A. A does not like B, C, D, or E. B. E likes A and D but does not like B or C. C. B likes E but E does not like B. D. A and B do not like each other. E. all of these statements are true.

Mathematics

Find all values for which at least one denominator is equal to 0. Write answers using the symbol ?. Do not solve. = 

A. x ? 18, , - 
B. x ? - 
C. x ? 18, 
D. x ? 0, 18, , - 

Mathematics

Find the remaining sides of a 30-60-90 triangle from the given information.The length of the hypotenuse is 4.

A. 42
B. 44
C. 24
D. 22

Mathematics