Solve the equation.
- 4 = 0
A. 
B. 
C. ?
D. {42}
Answer: A
Mathematics
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Solve the problem.Select an appropriate graph of a twice-differentiable function y = f(x) that passes through the points src="https://sciemce.com/media/4/ppg__tttt0612191139__f1q8g6.jpg" style="vertical-align: -20.0px;" />
, 
, (0,0), 
and (
,1), and whose first two derivatives have the following sign patterns.y' : 
y" :
A. 
B. 
C. 
D. 
Mathematics
Find an equation of the secant line containing (1, f(1)) and (2, f(2)).f(x) = 
A. y = (-
- 2)x - 
+ 4
B. y = (
- 2)x - 
+ 4
C. y = (-
+ 2)x + 
- 4
D. y = (
- 2)x + 
- 4
Mathematics
Look for a pattern and then predict the general term, or nth term, an, of the sequence.
, 
, 
, 
, 
, . . .
A. an = 
B. an = 
C. an = 
D. an = 
Mathematics
Find the exact value without using a calculator. tan 
A. 
B. 1
C. 
D. -1
Mathematics