So you have to graph that on to the chart i think
No solution / no x
D=b^2-4*a*c -> D=-4^2-4*1*21 -> D=-28 -> D<0, no solution
No, because it is not a straight line
Answer:
5x + 10
Step-by-step explanation:
I did the math and checked. :)
F(x) = ㏑(x² - 4)
Domain: {-2 ≤ x ≤ 2}, or [-2, 2]