Graph the exponential function.y = 5x

A.

B.

C.

D.


Answer: D

Mathematics

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Use Descartes's rule of signs to discuss the possibilities for the roots of the equation. Do not solve the equation.4x8 + 7x6 + 6x4 + 5x2 + 4 = 0

A.

B.

C.

D.

Mathematics

If M is the theoretical maximum charge that a battery can hold and k is a positive constant that depends on the battery and the charger, the length of time (in minutes) required to charge the battery to a given level C is given by

?
.
?
If , how long will it take a battery to reach a 70% charge? Assume that the battery was fully discharged when it began charging. Round your answer to the nearest tenths.
?

A. 4.0 minutes
B. 2.7 minutes
C. 0.2 minutes
D. 9.3 minutes
E. 0.0 minutes

Mathematics

Solve the equation. Use the change of base formula to approximate an exact answer to the nearest hundredth when appropriate.3x = 772

A. x = log 
B. x = log3772
C. x = log 2316
D. x = log3-772

Mathematics

Multiply the real numbers. Write any improper fraction as a whole or mixed number where appropriate.5 × 17

A. 12 B. 35 C. 85 D. 50

Mathematics