Multiply and simplify. ? 

A.
B.
C.
D.


Answer: C

Mathematics

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Use the formula for the number of subsets of a set with n elements to solve the problem.A village has 4 fire engines. If a radio dispatcher receives a call, depending on the nature of the situation, no engines, one engine, two engines, three engines, or all four engines can be sent to a fire. How many options does the dispatcher have for sending the fire engines to the scene of the caller?

A. 8 B. 16 C. 15 D. 7

Mathematics

Rewrite the equation in terms of base e. Express the answer in terms of a natural logarithm, and then round to three decimal places.y = 24(2.1)x

A. y = 24e2.1x, y = 242.7180.742x B. y = 2.1ex ln 24, y = 2.1e3.178x C. y = (ln 24)ex ln 2.1, y = 3.178e0.742x D. y = 24ex ln 2.1, y = 24e0.742x

Mathematics

Perform the indicated operation and simplify. ? 

A.  
B.
C.  
D.  

Mathematics

Graph the equation using the indicated viewing window.y = x2 + 2;X min = -5X max = 5X scl = 1Y min = -20Y max = 20Y scl = 5

A.

B.

C.

D.

Mathematics