Determine whether the function is one-to-one.f(x) = 7x + 5
A. One-to-one
B. Not one-to-one
Answer: A
Mathematics
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Solve the differential equation.x2 
= 8y
A. y = Ce- 8/x
B. y = - 
+ C
C. y = Ce- 8x
D. y = Ce8/x
Mathematics
The graph of a trigonometric function of the form y = A sin (Bx) or y = A cos (Bx) for B > 0 is given. Determine the equation of the function represented by the graph.
A. y = 2 sin 4x
B. y = 4 sin 2x
C. y = 4 sin 
x
D. y = 2 sin 
x
Mathematics
Find the common difference of the sequence.a1 = 6, a4 = 9; find d
A. -3 B. 1 C. -1 D. 3
Mathematics
Solve the problem. Round to the nearest tenth.A comet follows the hyperbolic path described by 
- 
= 1, where x and y are in millions. If the sun is the focus of the path, how close to the sun is the vertex of the path?
A. 4.8 million B. 3.9 million C. 0.5 million D. 19 million
Mathematics