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Strike441 [17]
3 years ago
6

The low temperature on a certain day is 51°F. The low temperature is 17°F lower than the high temperature, h.

Mathematics
1 answer:
ohaa [14]3 years ago
5 0

Using the change of subject of formula, the high temperature value for the day can be modeled using the expression <em>High temperature = Low temperature - 17°F</em>

<u>Giveb</u><u> </u><u>the</u><u> </u><u>Parameters</u><u> </u><u>:</u>

  • <em>Low</em><em> </em><em>temperature</em><em> </em><em>=</em><em> </em><em>51</em><em>°</em><em>F</em>

<u>The</u><u> </u><u>low</u><u> </u><u>temperature</u><u> </u><u>is</u><u> </u><u>17</u><u>°</u><u>F</u><u> </u><u>lower</u><u> </u><u>than</u><u> </u><u>the</u><u> </u><u>high</u><u> </u><u>temperature</u><u>,</u><u> </u><u>this can be</u><u> </u><u>modeled</u><u> </u><u>as</u><u> </u><u>an</u><u> </u><u>equation</u><u> </u><u>thus</u><u> </u><u>:</u>

<em>Low temperature = High temperature + 17°F</em>

<u>Male</u><u> </u><u>the</u><u> </u><u>high</u><u> </u><u>temperature</u><u> </u><u>the</u><u> </u><u>subject</u><u> </u><u>:</u>

High temperature = Low temperature - 17°F

Therefore, the equation which models the high temperature is : <em>High temperature = Low temperature - 17°F</em>

Learn more :brainly.com/question/25449918

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2 years ago
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beks73 [17]

First, you need to find the derivative of this function.  This is done by multiplying the exponent of the variable by the coefficient, and then reducing the exponent by 1.  

f'(x)=3x^2-3

Now, set this function equal to 0 to find x-values of the relative max and min.

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To determine which is the max and which is the min, plug in values to f'(x) that are greater than and less than each.  We will use -2, 0, 2.

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We examine the sign changes to determine whether it is a max or a min.  If the sign goes from + to -, then it is a maximum.  If it goes from - to +, it is a minimum.  Therefore, x=-1 is a relative maximum and x=1 is a relative miminum.

To determine the values of the relative max and min, plug in the x-values to f(x).

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Hope this helps!!

7 0
3 years ago
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