SAT Question 74d0906a: Linear Inequalities answer and explanation with Desmos solution

Choice C is correct. It's given that a tow truck travels at a speed of at least $25$ miles per hour but no more than $45$ miles per hour. It's also given that $x$ represents the speed of the tow truck, in miles per hour. At least $25$ miles per hour means $x\ge 25$, and no more than $45$ miles per hour means $x\le 45$. Therefore, the inequality that represents this situation is $25\le x\le 45$.