Assume x and y are functions of t. Evaluate dy/dt.xy2 = 4; 
= -5, x = 4, y = 1
A. 
B. 
C. - 
D. - 
Answer: B
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Graph the function. Determine the symmetry, if any, of the function.y = - 
A. Symmetric about the y-axis
B. Symmetric about the y-axis
C. No symmetry
D. Symmetric about the y-axis
Find the slope then describe what it means in terms of the rate of change of the dependent variable per unit change in the independent variable.The linear function f(x) = -9.8x + 24 models the percentage of people, f(x), who eat at fast food restaurants each week x years after 1998.
A. m = 9.8; the percentage of people eating at fast food restaurants each week has increased at a rate of 9.8% per year after 1998. B. m = 9.8; the percentage of people eating at fast food restaurants each week has increased at a rate of -9.8% per year after 1998. C. m = 24; the percentage of people eating at fast food restaurants each week has increased at a rate of -9.8% per year after 1998. D. m = -9.8; the percentage of people eating at fast food restaurants each week has decreased at a rate of -9.8% per year after 1998.
Write the decimal as a fraction. Do not write in lowest terms.0.494
A. 
B. 
C. 
D. 
Evaluate.
- 
A. -30 B. 50 C. 128 D. 30