**Vertical Line Test Is something a function? - YouTube**

f(x) = -x2 - 3x - 9 Algebra -> Quadratic Equations and Parabolas -> SOLUTION: Determine, without graphing, whether the given quadratic function has a maximum value or â€¦... A function is linear if one variable is directly proportional to the other.

**SOLUTION Determine without graphing whether the given**

Without using a graph how can you tell if an equation is a function or relation? The real solutions are the points at which the graph of the function crosses the x-axis. If the graph never crosses the x-axis, then the solutions are imaginary. Share to: Answered.... One of the neat things about functions is that we know something is a function if each x has exactly one y but sometimes you are not given the points, you are not given numbers, all you are given is a funny graph. So what I want to talk about here is how you can tell that something is a function just based on the graph and you'll see it's actually pretty easy. It's using what's called the

**Explain how you can tell(without graphing) that the**

Since we will be graphing (x, y) points, though, we will do our thinking with the 'y = mx + b' form for a while. When the function for a line is expressed this way, we call it the 'slope-intercept form' .... Without using a graph how can you tell if an equation is a function or relation? The real solutions are the points at which the graph of the function crosses the x-axis. If the graph never crosses the x-axis, then the solutions are imaginary. Share to: Answered.

**How do you find the range of a function algebraically y**

To best way to find the range of a function is to find the domain of the inverse function. To find the inverse function of a function you have to substitue #x# with #y#, and vice versa, and then find #y#.... 7/01/2013Â Â· Determine without graphing, whether the given quadratic function has a max or min? 5. Determine without graphing whether the given quadratic function â€¦

## How To Tell If Something Is A Function Without Graphing

### Identify a function from a graph LearnZillion

- How can you tell something is a linear function Answers.com
- Without graphing determine whether the function? Yahoo
- Explain how you can tell(without graphing) that the
- SOLUTION Without graphing tell how many x-intercepts y

## How To Tell If Something Is A Function Without Graphing

### The x intercepts occur when the function value equals zero. We don't need to find the zeros; all we need is the number of zeros, which can be obtained by finding the discriminant. We don't need to find the zeros; all we need is the number of zeros, which can be obtained by finding the discriminant.

- One of the neat things about functions is that we know something is a function if each x has exactly one y but sometimes you are not given the points, you are not given numbers, all you are given is a funny graph. So what I want to talk about here is how you can tell that something is a function just based on the graph and you'll see it's actually pretty easy. It's using what's called the
- Similar Questions. Algebra. Graph y=5^x and y=log_5 x on a sheet of paper using the same set of axes. Use the graph to describe the domain and range of each function.
- Since we will be graphing (x, y) points, though, we will do our thinking with the 'y = mx + b' form for a while. When the function for a line is expressed this way, we call it the 'slope-intercept form' .
- Continue until you are convinced that, in all cases, the graph of the given function f is concave up where the derivative f ' (the slope of the tangent) is an increasing function, and concave down where the derivative f ' is a decreasing function.

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