f(x) = 13x + 52
14) games leon must play to score fewer than 182 points
182 > 13x + 52
-52 - 52
130 > 13x
÷13 ÷13
10 > x *leon must play 9 games or less to score fewer than 182 points.
to check: x = 9 ; 182 > 13(9) + 52 ⇒ 182 > 117 + 52 ⇒ 182 > 169
15) games leon must play to score more than 143 points
143 < 13x + 52
-52 - 52
91 < 13x
÷13 ÷13
7 < x * leon should play 8 games or more to score more than 143 points.
to check: x = 8 ; 143 < 13(8) + 52 ⇒ 143 < 104 + 52 ⇒ 143 < 156
