Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
Question
junior college 1 | H2 Maths
One Answer Below
Anyone can contribute an answer, even non-tutors.
would appreciate if someone could help me!
Date Posted: 4 years ago
Views: 242
For the function f(x) = 2x3 + x + 7, at the boundary limit x = -1, the value of f(x) is 2 (-1)^3 + (-1) + 7 = 4.
For the function to continue, f(x) must start at 4 (otherwise the graph will be broken).
So, m (x + 1) + k must start at 4 when x = -1.
m (-1 + 1) + k = 4
k = 4
Now, we look at the other connector.
At the upper end, x2 + 5 equals 9 when x = 2.
For the functions to connect, m (x + 1) + k must equal 9 when x = 2.
m (2 + 1) + k = 9
3m + 4 = 9
m = 5/3
For the function to continue, f(x) must start at 4 (otherwise the graph will be broken).
So, m (x + 1) + k must start at 4 when x = -1.
m (-1 + 1) + k = 4
k = 4
Now, we look at the other connector.
At the upper end, x2 + 5 equals 9 when x = 2.
For the functions to connect, m (x + 1) + k must equal 9 when x = 2.
m (2 + 1) + k = 9
3m + 4 = 9
m = 5/3
See 1 Answer
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Here
Date Posted:
4 years ago
360 Tutoring Program