Answer:
x = 11.1
Its a right angle triangle with the values of its adjacent and hypotenuse given so cos is used.
we are given
graph of a quadratic function
Quadratic function:
Those function which has degree=2
we can write it as

Since, the degree is 2
so, the shape of the curve will be parabolic
so, option-B.........Answer
Answer:
Option B: f(x) = 2x2 + 2x – 4
Step-by-step explanation: