Answer:
B. f(-5) = -70
Step-by-step explanation:
f(-5)= 10(-5) - 20
f(-5) = -50 - 20
f(-5) = -70
30 mph for 0.5 hrs = 15 miles
80 mph for 2 hours = 160 miles
160 +15 = 175 miles total
<h2>The distance between two points is

or 9.9 units</h2>
<em><u>Solution:</u></em>
<em><u>The distance between two points is given as:</u></em>

From given,

<em><u>Substituting the values we get,</u></em>

Thus the distance between two points is
or 9.9 units