Use the graph of f(x) to solve the inequality.f(x) < 0
A. x < 2.2 or x > 2.2
B. x < 0
C. x ? 0
D. x > 0
Answer: B
Mathematics
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Find the equation for the plane tangent to the parametrized surface S at the point P.S is the cone r(r, ?) = r cos ?i + r sin ?j + 3rk; P = 
.
What will be an ideal response?
Mathematics
Write the percent as a decimal. Round to the nearest thousandth if the division does not terminate.5%
A. -0.06 B. 0.5 C. 0.05 D. 0.005
Mathematics
Indicate the period and the range of the given function.y = 2 sec 
A. P = 2?; Range: 
? 2
B. P = 12; Range: 
? 2
C. P = 12?; Range: 
? 2
D. P = ?; Range: 
? 2
Mathematics
Find the indicated matrix.Let A = 
, B = 
, and C = 
. Find AB + BC.
A. 
B. 
C. 
D. 
Mathematics