MIP1502 ASSIGNMENT 04 QUESTIONS AND ANSWERS MAY 2023.
MIP1502 ASSIGNMENT 04
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QUESTION 01
a) Express each situation in functional words. For example, the income tax is a
function of the total income.
The labour is a function of house worked. For example if thy worked 2 hours
they...
MIP1502 ASSIGNMENT 04 QUESTIONS AND
ANSWERS MAY 2023.
, MIP1502 ASSIGNMENT 04
QUESTION 01
a) Express each situation in functional words. For example, the income tax is a
function of the total income.
The labour is a function of house worked. For example if thy worked 2 hours
they are going to get R100.
Siphokazi’s commission (15%) is a function of her weekly earnings (R230.00)
The amount by which your savings will grow is a function of the interest
offered by the bank.
The area of a circle is a function of the radius of a circle.
The money paid for the rental of van (R230 + 4.30) is a function of the
kilometres travelled.
b) For each situation, indicate the dependent and independent variables.
For the first situation the dependent variable (y) is the labour and the
independent variable (x) is the money paid per hour or the earnings per hour.
For the second situation the dependent variable (y) is Siphokazi’s commission
(15%) and the independent variable (x) is her weekly earnings.
For the third situation the dependent variable (y) is the amount by which
your savings grow and the independent variable (x) is the interest offered by
the bank.
For the fourth situation the dependent variable (y) is the area of a circle and
the independent variable (x) is the radius of a circle.
For the final, situation the dependent variable (y) is the money paid for the
rental of a van (R230 + 4.30 per kilometre) and the independent variable (x) is
the kilometres travelled.
c) Write the two variables as an ordered pair, and write the function using the
notation y = (x)
Independent variable Dependent variable (x;y) Y = f(x)
Hours worked or labour (h;i) T = M.H
money paid per hour
Siphokazi’s weekly Siphokazi’s (E;C)
earnings (R230) commission (15%)
Interest offered by Savings growth (I;S) S=I+P
the bank
Radius of a circle Area of a circle (R;A) A = πr2
Kilometres travelled Money paid for the (K;M) D =ST
rental of a van
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