Use De Morgan's law to write the negation for the statement.Strawberries are sweet or cookies aren't healthy.

A. Strawberries aren't sweet or cookies aren't healthy.
B. Strawberries aren't sweet or cookies are healthy.
C. Strawberries aren't sweet and cookies are healthy.
D. Strawberries are sweet and cookies are healthy.


Answer: C

Mathematics

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Find the inverse of the function represented by the set of ordered pairs.f: {(-1, 14), (11, -14), (-20, 10)}

A. f-1: {(-1, -14), (-1, 11), (10, -20)} B. f-1: {(14, -1), (-14, 11), (10, -20)} C. f-1: {(14, -1), (-20, 11), (10, -14)} D. Not invertible

Mathematics

Solve the problem.If two resistors are connected in parallel, the total impedance is given by . Find the total impedance ZT when the impedances Z1 = -8 + 1j and Z2 = 8 - 3j are in parallel.  ?Parallel Circuit

A. - 
B.
C. = - 8 + j
D. - 16 - j

Mathematics

Find the center and the radius of the circle.x2 + y2 + 18x - 12y + 117 = 4

A. (-9, 6), r = 2 B. (-6, 9), r = 4 C. (9, -6), r = 4 D. (6, -9), r = 2

Mathematics

Graph the function.f(x) = x 

A.

B.

C.

D.

Mathematics