j(x) = -2x² + x - 3
j(1) = -2 · 1² + 1 - 3 = -2 · 1 + 1 - 3 = -2 + 1 - 3 = -1 - 3 = -4
Answer:
-4.
Step-by-step explanation:
j(1) is the value of j(x), that is -2x^2 + x + 3, when x = 1.
j(1) = -2(1)^2 + 1 - 3
= -2 + 1 - 3
= - 1 - 3
= -4.
