I guess the original function was
y = 5x (1)
y+Δy =5(x+Δx) (2)
(2) - (1) =
Δy = 5Δx
Δx →0, Δy/Δx →5
Answer: 8
Step-by-step explanation:
x/10 = 10/2.5
x = 8
<em>Look</em><em> </em><em>at</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>picture</em><em>⤴</em>
<em>Hope</em><em> </em><em>it</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em>.</em><em>.</em><em>.</em>
Answer: 5 to the right and 2 down (top right corner)
Start at the "birds" point. Moving 5 units to the right will get you directly above the "reptiles" point. Then move 2 units down to actually get to the "reptiles" point.
Rewrite the given number as

If it's purely real, then the complex part should be 0, so that

as required.