Somebody can help me with those questions All please
Accepted Solution
A:
1] Temperature over the course of an afternoon This is because graph of typical step function are always plotted in such a way that there is an independent variable which defines the outcome of a dependent one, temperature is not dependent on any factor, it is a random occurrence. Answer: d] Temperature over the course of an afternoon
2] Discontinuous points are those points which are not defined. From the graph, the number of discontinuous points are 4. Answer: 1] 4
3]The rate of increase of the function between 10 and 15? rate of change=(change in y-values)/(change in x-axis) using point (10,0) and (15,0) =(0-0)/(15-10)=(0/15)=0 Answer [2] 0
4] a] Stacey Johnson earned $50,825 in 2005, how much was her income tax? Amount of $50825 is between the income range of $50800 and 50, 900. Thus the tax deductions will be: $3570
b] What was the approximate tax rate paid? rate=(tax paid)/(income earned) rate=3570/50825 =0.07024 c] Her brother, Thomas paid $3510 in taxes, Express his income as an inequality. The range of tax of $3510 is: 50,400≤x≤50,500