What is f(x) = 2x2 + 28x – 5 written in vertex form?

f(x) = 2(x + 7)2 – 19
f(x) = 2(x + 7)2 – 103
f(x) = 2(x + 14)2 – 14
f(x) = 2(x + 14)2 – 98

Vertex form of f(x) is:

Step-by-step explanation:

The vertex form of the function f(x) is:

f (x) =, where (h, k) is the vertex of the parabola.

We are given f(x)=

Now, converting the above equation in required form

Hence, Vertex form of f(x) is:

x = 17

step-by-step explanation:

in the given figure, two triangles are inscribed in a circle where ∠bae ≅ ∠dae which makes the side be and de equal so we can write it as:

3x - 24 = x + 10

solving this equation for x to get:

3x - x = 10 + 24

2x = 34

x = 34/2

x = 17

therefore, the value of x = 17.