The graph of the equations y = 2x + 5 and y = 2x\(^2\) + x - 1 are shown. Use the information above to answer this question.
If x = -2.5, what is the value of u on the curve?
Attached Figure / Diagram
A
y = 8.0
B
y = 8.5
C
y = 9.0
D
y = 9.5
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
If x = -2.5
y = 8.5
Source: WAEC / JAMB / NECO Classroom Archive (Record #58413)