Answer:
C
Step-by-step explanation:
The number line in option C contains the points -4, -1, 1 and 2 correctly plotted.
Answer:
23
Step-by-step explanation:
You can simply substitute -2 into the x of the equation.
f(-2) = (-2)^4 + 2(-2)^2 -1
= 23
Answer: No real solution.
Step-by-step explanation:
Since the parabola never crosses the x-axis, there are no real solutions.
