The acceleration due to gravity near the surface of Earth has a constant value of 32 feet per second per second. Explain what this fact tells us about the downward velocity of a falling object near the surface of Earth.
What will be an ideal response?
Velocity is a linear function with slope 32 feet per second per second.
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If y varies directly as x, write a general formula to describe the variation.y = 0.7 when x = 2.8
A. y = 0.7x B. y = 4x C. y = x - 2.1 D. y = 0.25x
Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 5
- 2
- 
A. 3x
B. 13x
C. 2x
D. 14x
Sketch the graph of f(x). Determine the domain, range, and the equation of the horizontal asymptote of the function.f(x) = e-x + 1
A. Domain: (-?, ?), range: (0, ?)
Horizontal asymptote: y = 0
B. Domain: (-?, ?), range: (1, ?)
Horizontal asymptote: y = 1
C. Domain: (-?, ?), range: (1, ?)
Horizontal asymptote: y = 1
D. Domain: (-?, ?), range: (1, ?)
Horizontal asymptote: y = 1
Find the exact value of the trigonometric expression without the use of a calculator.If sin ? = 
, 
< ? < ? and cos ? = 
, 0 < ? < 
, find the exact value of cos (? - ?).
A. 
B. 
C. 
D. 