Determine whether there is a maximum or minimum value for the given function, and find that value.f(x) = x2 - 9x + 2

A. Maximum: 
B. Minimum: 
C. Minimum: - 
D. Minimum: 


Answer: C

Mathematics

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Find the vertices and foci of the ellipse. +  = 1

A. Vertices: (0, ±25); Foci: (0, ±20) B. Vertices: (±25, 0); Foci: (±15, 0) C. Vertices: (0, ±25); Foci: (0, ±15) D. Vertices: (±25, 0); Foci: (±20, 0)

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Solve the problem.The electric current i (in A) in a circuit containing a 1-H inductor, a  resistor, and a  battery is function of the time t (in s) given by   Solve for t as a function of i.

A. t = 
B. t = 
C. t = 
D. t = 

Mathematics

Answer the question.With the exponential function f(x) = ax, why must we not allow a < 0?

What will be an ideal response?

Mathematics

Select the graph of the polar equation using symmetry, zeros, maximum r-values, and any other additional points. ? ?

A. Symmetric with respect to polar axis

Circle with radius 2.5

?


B. Symmetric with respect to polar axis

Circle with radius 2.5

?


C. Symmetric with respect to polar axis

Circle with radius 2.5

?


D. Symmetric with respect to polar axis

Circle with radius 2.5

?


E. Symmetric with respect to polar axis

Circle with radius 2.5

?


Mathematics