The figure shows the graph of a function. At the given value of x, does the function appear to be differentiable, continuous but not differentiable, or neither continuous nor differentiable?x = 1
A. Differentiable
B. Continuous but not differentiable
C. Neither continuous nor differentiable
Answer: C
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Solve the system of equations by use of determinants. y + z = 93x- z = 2 2x + y + 3z = 7
A. x = 
, y = 
, z = - 
B. x = 
, y = 
, z = - 
C. x = 
, y = 
, z = - 
D. x = - 
, y = - 
, z = 
The graph of a function of the form y = A cos (Bx - C) + D or y = A sin (Bx + C) + D where B > 0 is given. Determine the equation of the function represented by the graph.Use y = sin x 
A. y = -3 sin 
- 2
B. y = -3 sin 
- 2
C. y = -3 sin 
+ 2
D. y = -3 sin 
+ 2
Use the properties of limits to help decide whether the limit exists. If the limit exists, find its value.
A. 0
B. 
C. 
D. 3
Find the measure of the indicated angle. The figure is not drawn to scale.Find the measure of ?x.
A. 71° B. 32° C. 58° D. 225°