<p>A fitness centre charges $\$200$ upon registration and a subscription fee of $\$120$ charged monthly.</p>
<ol class="abc-list"><li><div class="list-item-paragraph">Derrick registers on the 1st January of 2021, find the total amount of money spent after</div><ol class="i-list"><li><div class="list-item-paragraph">1 month, </div></li><li><div class="list-item-paragraph">6 months,</div></li><li><div class="list-item-paragraph">12 months.</div></li></ol></li><li><div class="list-item-paragraph">Given that&nbsp;$\$C$ represents the amount of money Derrick spent after $n$ months, complete the table.</div><div class="table-container"><table style="table-layout: fixed; width: 400px;"><colgroup><col style="width: 100px;"><col style="width: 100px;"><col style="width: 100px;"><col style="width: 100px;"></colgroup><thead><tr><th style="text-align: center; --cell-justify: center">$n$</th><th style="text-align: center; --cell-justify: center">$1$</th><th style="text-align: center; --cell-justify: center">$6$</th><th style="text-align: center; --cell-justify: center">$12$</th></tr></thead><tbody><tr><td style="text-align: center; --cell-justify: center">$C$ </td><td style="text-align: left; --cell-justify: flex-start"></td><td style="text-align: left; --cell-justify: flex-start"></td><td style="text-align: left; --cell-justify: flex-start"></td></tr></tbody></table></div></li><li><div class="list-item-paragraph">On a sheet of graph paper, using a scale of $1$cm represents $1$ month on the horizontal axis and $1$ cm represents $\$100$ on the vertical axis, plot the pairs of values of $\left( n,C \right)$ .</div></li><li><div class="list-item-paragraph">From the graph, find the month when Derrick will first spend more than $\$1000$.</div></li></ol>

A fitness centre charges $\$200$ upon registration and a subscription fee of $\$120$ charged monthly.

Derrick registers on the 1st January of 2021, find the total amount of money spent after

Given that $\$C$ represents the amount of money Derrick spent after $n$ months, complete the table.

On a sheet of graph paper, using a scale of $1$cm represents $1$ month on the horizontal axis and $1$ cm represents $\$100$ on the vertical axis, plot the pairs of values of $\left( n,C \right)$ .

From the graph, find the month when Derrick will first spend more than $\$1000$.

Modelling Monthly Costs with a Linear Function

Modelling Monthly Costs with a Linear Function

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