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aliya0001 [1]
3 years ago
14

Which function is increasing at the highest rate?

Mathematics
1 answer:
prisoha [69]3 years ago
4 0

Answer:

Option B: 12x - 6y = -24

Step-by-step explanation:

A function is said to be increasing if it has a slope greater than 0.

The function with the largest slope has the highest increasing rate.

Here, for the graph in option A, the function is decreasing with increasing x. So, it has a negative slope.

We need to convert equation of option B into standard form and then determine its slope.

The standard form of a straight line is y = mx + b, where m is the slope of the line and b is the y-intercept.

Now, given function is:

12x - 6y = -24\\ 6y = 12x + 24\\ y = \frac{12}{6}x+\frac{24}{6}\\ y = 2x + 4

Therefore, the slope is 2.

Option C:

Slope is given as,

m_{C}=\frac{g(x_{2}-g(x_{1})}{x_{2}-x_{1}} =\frac{-4-(-5)}{2-1}=\frac{-4+5}{1}=1

Therefore, the slope is 1.

Option D:

Equation of a line with a and b as x and y intercepts is given as,

\frac{x}{a}+\frac{y}{b}=1

Here, a = 8 and b = -4

∴ \frac{x}{8}+\frac{y}{-4}=1\\ \frac{x-2y}{8}=1\\ x-2y=8\\ 2y=x-8\\y=\frac{1}{2}x-4

Therefore, the slope is \frac{1}{2}.

Hence, the largest slope is for option B and thereby the highest increasing rate.

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