Find the inverse of the matrix 
(if it exists).
a. 
b. 
c. 
d. does not exist
d. does not exist
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Identify the type of surface represented by the given equation. 
+ 
= 
A. Hyperbolic paraboloid
B. Elliptical cone
C. Elliptical paraboloid
D.
| Ellipsoid |
Find the quadratic approximation of f at x = 0.f(x) = 
A. Q(x) = 1 + 
B. Q(x) = 1 + 5x
C. Q(x) = 5x
D. Q(x) = 
You are given the graph of some function f defined on the indicated interval. Find the absolute maximum and the absolute minimum of f, if they exist.
? 
?
f defined on 
?
A. Absolute maximum value: 0.3; absolute minimum value: -6 B. Absolute maximum value: 0.3; absolute minimum value: -2 C. Absolute maximum value: -2; absolute minimum value: -6 D. Absolute maximum value: 0.3; absolute minimum value: 0
Solve the problem.A cellular phone plan had the following schedule of charges:Basic service, including 100 minutes of calls$20.00 per month2nd 100 minutes of calls$0.075 per minuteAdditional minutes of calls$0.10 per minuteWhat is the charge for 200 minutes of calls in one month?What is the charge for 250 minutes of calls in one month?Construct a function that relates the monthly charge C for x minutes of calls.
What will be an ideal response?