Determine the exact value of the expression without the use of a calculator.sin 
sin 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the quadratic approximation of f at x = 0.f(x) = tan-1 4x
A. Q(x) = 4x B. Q(x) = 1 + 4x2 C. Q(x) 1 + 2x2 D. Q(x) = 1 - 4x2
Mathematics
Find the domain and range of the relation. Also determine whether the relation is a function.
A. domain: (-?, ?); range: {5}; function B. domain: (-?, ?); range: {5}; not a function C. domain: {5}; range: (-?, ?); function D. domain: {5}; range: (-?, ?); not a function
Mathematics
Find the midpoint between the two points.(2, 6) and (5, 1)
A. 
B. 
C. (7, 7)
D. (-3, 5)
Mathematics
Solve the problem. Round your answer to the nearest tenth unless indicated otherwise.A car's speedometer shows that the car is going 100 km/hr. What is this in miles per hour?
A. 161.0 mi/hr B. 62.0 mi/hr C. 106.0 mi/hr D. 94.6 mi/hr
Mathematics