Graph.7x + y = 4
A. 
B. 
C. 
D. 
Answer: B
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If possible, evaluate the expression at the given value of the variable.
, x = -9
A. - 
B. 
C. 0
D. Undefined
State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not.f(x) = 1 + 
A. Yes; degree 1 B. Yes; degree 6 C. No; x is raised to a negative power D. Yes; degree 0
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) = -6.2x + 30 models the percentage of people, f(x), who eat at fast food restaurants x years after 1998.
A. m = -6.2; the percentage of people eating at fast food restaurants has decreased at a rate of -6.2% per year after 1998. B. m = -6.2; the percentage of people eating at fast food restaurants has decreased by 6.2% since 1998. C. m = 30; the percentage of people eating at fast food restaurants has increased at a rate of 30% per year after 1998. D. m = 6.2; the percentage of people eating at fast food restaurants has increased at a rate of 6.2% per year after 1998.
Round to the nearest thousandth.4.99961
A. 5.000 B. 4.990 C. 4.900 D. 4.9996