# How do you find the maximum value of a function?

## How do you find the maximum value of a function?

If you have the graph, or can draw the graph, the maximum is just the y value at the vertex of the graph. If you are unable to draw a graph, there are formulas you can use to find the maximum. If you are given the formula y = ax2 + bx + c, then you can find the maximum value using the formula max = c – (b2 / 4a).

## How do you find the maximum and minimum?

HOW TO FIND MAXIMUM AND MINIMUM VALUE OF A FUNCTION

1. Differentiate the given function.
2. let f'(x) = 0 and find critical numbers.
3. Then find the second derivative f”(x).
4. Apply those critical numbers in the second derivative.
5. The function f (x) is maximum when f”(x) < 0.
6. The function f (x) is minimum when f”(x) > 0.

Where does the minimum or maximum value occur?

Vertical parabolas give an important piece of information: When the parabola opens up, the vertex is the lowest point on the graph — called the minimum, or min. When the parabola opens down, the vertex is the highest point on the graph — called the maximum, or max.

### What is a local maximum of a function?

A local maximum point on a function is a point (x,y) on the graph of the function whose y coordinate is larger than all other y coordinates on the graph at points “close to” (x,y). Similarly, (x,y) is a local minimum point if it has locally the smallest y coordinate.

### What is minimum value of sin A 0 A 90?

Properties Of The Sine Graph sin θ = 0 when θ = 0 ˚ , 180˚ , 360˚ . Maximum value of sin θ is 1 when θ = 90 ˚. Minimum value of sin θ is –1 when θ = 270 ˚.

What is the maximum value of sin a o a 90?

If α + β = 90°, then maximum value of sin α sin β is. The range of sin 2α is [-1, 1] since the range of sin x is [-1, 1]. Hence, the maximum value of (1/2) sin 2α or is sin α sin β is 1/2.

## Can there be two absolute minimums?

Important: Although a function can have only one absolute minimum value and only one absolute maximum value (in a specified closed interval), it can have more than one location (x values) or points (ordered pairs) where these values occur.

## What is the minimum or maximum value?

The maximum value of a parabola is the y-coordinate of the vertex of a parabola that opens down. The minimum value of a parabola is the y-coordinate of the vertex of a parabola that opens up.

How do you know if it is a minimum or maximum turning point?

To work out which is the minimum and maximum, differentiate again to find f”(x). Input the x value for each turning point. If f”(x) > 0 the point is a minimum, and if f”(x) < 0, it is a maximum.

### How do you find Max and MIN VALUE?

Find the Max or Min value based on only one criterion. To return the max or min value with one criterion, the MAX function will do you a favor. 1. Enter this formula: =MAX((A2:A13=D2)*B2:B13) into a specific cell you want, see screenshot:

### What is maximum and minimum function?

Maximum and minimum. In mathematics, the maximum and minimum of a function are the largest and smallest value that the function takes at a given point. Together they are known as the extrema (singular: extremum). Minimum means the least you can do of something.

What is the minimum value of a function?

The minimum value of a function is the place where the graph has a vertex at its lowest point. In the real world, you can use the minimum value of a quadratic function to determine minimum cost or area.

## How do you find the absolute minimum?

1. In a blank cell, enter this formula =Max (ABS (A1:D10)), see screenshot: 2. Then press Ctrl+Shift+Enter keys, and the largest absolute values will be displayed in the cell. If you want to find out the smallest absolute value in a range of cells, you can apply this formula: =Min (ABS…