Answer:
B) -43
Step-by-step explanation:
f(x) = -3x²+5
f(4) = -3(4)²+5
f(4) = -3(16)+5
f(4) = -48+5
f(4) = -43
Solve for v by simplifying both sides of the equation, then isolating the variable.
− 10 < v < 23 /3
0.6
66 km
6 * 11 = 66
x=-1/2
hope this helps