C957 Applied Algebra Module 1 exam with
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correct answers |
A |rental |car |company |charges |a |flat |fee |of |$39 |for |a |car |rental. |They |charge |an |additional |$0.62 |for |
each |mile |driven. |
Which |function |F |represents |the |cost |to |rent |a |car, |where |m |represents |the |number |of |miles? |
A. |F(m)=39+0.62m
B. |F(m)=39+0.62+m
C. |F(m)=39m+0.62 |
D. |F(m)=(39+0.62)m |- |VERIFIED |ANSWER✔✔-A
You |just |started |a |lawn |company. |You |spent |$200 |in |initial |costs, |and |you |earn |$150 |per |month. |
Which |function |can |be |used |to |predict |your |profit |after |x |months?
A. |F(x)=150x+200
B. |F(x)=200x-150
C. |F(x)=200x+150
D. |F(x)=150x-200 |- |VERIFIED |ANSWER✔✔-D
Which |represents |the |inputs |and |outputs |of |a |function? |
A. |Input: |Number |of |vacation |days; |Output: |Annual |salary
B. |Input: |Speed |of |car; |Output: |Distance |traveled |in |one |hour |
C. |Input: |Scores |on |an |algebra |assignment; |Output: |The |number |of |students |in |an |algebra |class
D. |Input: |The |number |of |the |news |channel; |Output: |The |number |of |TV |shows |on |at |7:00 |p.m. |- |
VERIFIED |ANSWER✔✔-B
, Which |variable |is |a |qualitative |variable? |
A. |Your |child's |name |
B. |Your |shirt |color |
C. |Your |salary |
D. |Your |bank |account |number |- |VERIFIED |ANSWER✔✔-B
A |cell |phone |company |charges |a |fee |of |$90 |per |month |of |service. |A |customer's |cost, |C, |for |service |
can |be |represented |by |the |function |C(m)=90m, |where |m |represents |the |number |of |months. |
Find |the |total |cost |for |six |months |of |service. |
A. |$5,400 |
B. |$90 |
C. |$540 |
D. |$96 |- |VERIFIED |ANSWER✔✔-C
The |output |of |toy |cars |in |a |toy |factory |is |affected |by |the |number |of |employees |working |per |shift. |
Which |variable |is |the |dependent |variable? |
A. |The |number |of |toy |cars |produced |
B. |The |number |of |employees |working |each |shift |- |VERIFIED |ANSWER✔✔-A
The |price |of |gasoline |is |$2.50 |per |gallon. |The |cost, |C, |can |be |represented |by |the |function |C(n)=2.5n, |
where |n |is |the |number |of |gallons |of |gasoline. |
What |is |the |inverse |function? |
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correct answers |
A |rental |car |company |charges |a |flat |fee |of |$39 |for |a |car |rental. |They |charge |an |additional |$0.62 |for |
each |mile |driven. |
Which |function |F |represents |the |cost |to |rent |a |car, |where |m |represents |the |number |of |miles? |
A. |F(m)=39+0.62m
B. |F(m)=39+0.62+m
C. |F(m)=39m+0.62 |
D. |F(m)=(39+0.62)m |- |VERIFIED |ANSWER✔✔-A
You |just |started |a |lawn |company. |You |spent |$200 |in |initial |costs, |and |you |earn |$150 |per |month. |
Which |function |can |be |used |to |predict |your |profit |after |x |months?
A. |F(x)=150x+200
B. |F(x)=200x-150
C. |F(x)=200x+150
D. |F(x)=150x-200 |- |VERIFIED |ANSWER✔✔-D
Which |represents |the |inputs |and |outputs |of |a |function? |
A. |Input: |Number |of |vacation |days; |Output: |Annual |salary
B. |Input: |Speed |of |car; |Output: |Distance |traveled |in |one |hour |
C. |Input: |Scores |on |an |algebra |assignment; |Output: |The |number |of |students |in |an |algebra |class
D. |Input: |The |number |of |the |news |channel; |Output: |The |number |of |TV |shows |on |at |7:00 |p.m. |- |
VERIFIED |ANSWER✔✔-B
, Which |variable |is |a |qualitative |variable? |
A. |Your |child's |name |
B. |Your |shirt |color |
C. |Your |salary |
D. |Your |bank |account |number |- |VERIFIED |ANSWER✔✔-B
A |cell |phone |company |charges |a |fee |of |$90 |per |month |of |service. |A |customer's |cost, |C, |for |service |
can |be |represented |by |the |function |C(m)=90m, |where |m |represents |the |number |of |months. |
Find |the |total |cost |for |six |months |of |service. |
A. |$5,400 |
B. |$90 |
C. |$540 |
D. |$96 |- |VERIFIED |ANSWER✔✔-C
The |output |of |toy |cars |in |a |toy |factory |is |affected |by |the |number |of |employees |working |per |shift. |
Which |variable |is |the |dependent |variable? |
A. |The |number |of |toy |cars |produced |
B. |The |number |of |employees |working |each |shift |- |VERIFIED |ANSWER✔✔-A
The |price |of |gasoline |is |$2.50 |per |gallon. |The |cost, |C, |can |be |represented |by |the |function |C(n)=2.5n, |
where |n |is |the |number |of |gallons |of |gasoline. |
What |is |the |inverse |function? |
