Find the points of inflection.f(x) = 
A. 
B. (0, 0), 
, 
C. 
D. (0, 0), 
, 
Answer: D
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Using the addition/subtraction method, find the value of x and y to satisfy the following equations: 2x + 3y = 3; 3x + 6y = 10
a. 1 1 x = -4Ä y = 3Ä 3 3 b. 1 2 x = 4Ä y = 2Ä 2 3 c. 2 x = -4 y = 3Ä 3 d. x = -4 y = 3 e. 2 x = 4 y = -3Ä 3
The graph of a function is given. Use the graph to find the indicated limit and function value, or state that the limit or function value does not exist.a. 
f(x)
b. f(1)
A. a. 
f(x) = -3
b. f(1) = 1
B. a. 
f(x) = -3
b. (1) = -3
C. a. 
f(x) = -3
b. f(1) does not exist
D. a. 
f(x) = 1
b. f(1) = -3
Suppose that point  figure 1.png)
is on the unit circle. Find sin t and cos t.
 figure 2.png)
Identify any intercepts and test for symmetry. Then sketch the graph of the equation. ? y = 2 - |x| ?
A. x- intercept: (±2, 0)
y- intercept: (0, 2)
y-axis symmetry
?
?
B. x- intercept: (-2, 0)
y- intercept: (0, 2)
y-axis symmetry
C. x- intercept: (2, 0)
y- intercept: (0, ±2)
y-axis symmetry
D. x- intercept: (2, 0)
y- intercept: (0, 2)
y-axis symmetry
E. x- intercept: (-2, 0)
y- intercept: (0, 2)
y-axis symmetry
