keagank
23.09.2019 •
Mathematics
Use the four step process to find the slope of the tangent line to the graph of the given function at any point. ( simplify your answer is completely)
f(x)= 8x^2 +3x
i’ve been trying to do this problem for 20 minutes,
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Ответ:
Here, we are required to find the slope of the tangent line to the graph of the given function at any point.
The correct answer is 16x + 3.
The four step process to find the slope of the tangent line to the graph at any point is as follows;
First step (1):
First, there's a need to evaluate the value of F(x+h), the result of which is;f(x +h) = 8(x + h)² + 3( x + h) and yields;
f(x + h) = 8( x² + 2xh + h²) + 3( x + h)
and, f (x + h) = 8x² + 16xh + 8h² + 3x + 3h.
Second step(2):
Second step involves subtraction of F(x) from F(x+h), i.eF(x+h) - f(x) = 8x² + 16xh + 8h² + 3x + 3h - ( 8x² + 3x)
and, F(x+h) - f(x) = 16xh + 8h² + 3 h
Third step (3):
The third step involves dividing both sides of the equation by h, i.e{F(x+h) - f(x)} / h = (16xh)/h + (8h²)/h + (3 h)/h
This in turn yields;
{F(x+h) - f(x)} / h = 16x + 8h + 3.
Fourth step(4):
This step involves taking limits on both sides as h => 0., i.elim f(x + h) - f(x)/ h =
h=>0
lim 16x + 8h + 3 = lim 16x + 8(0) + 3 = 16x + 3
h=>0. h=>0
Therefore, the slope of the tangent line to the graph of the given function at any point is;
16x + 3.
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Ответ:
The answer to your question is: 16x + 3
Step-by-step explanation:
Step 1 : f(x) = 8x² + 3x
f(x +h) = 8(x + h)² + 3( x + h)
f(x + h) = 8( x² + 2xh + h²) + 3( x + h)
f (x + h) = 8x² + 16xh + 8h² + 3x + 3h
Step 2 f(x+h) - f(x) = 8x² + 16xh + 8h² + 3x + 3h - ( 8x² + 3x)
= 8x² + 16xh + 8h² + 3x + 3h - 8x² -3x
= 16xh + 8h² + 3 h
Step 3 f(x + h) - f(x)/ h = h(16x + 8h + 3) /h
= 16x + 8h + 3
Step 4 lim f(x + h) - f(x)/ h = lim 16x + 8h + 3 = lim 16x + 8(0) + 3 = 16x + 3
h ⇒0 h ⇒0 h ⇒0
Ответ:
1 Remove parentheses.
-1/2-5/9
2 Find the Least Common Denominator (LCD) of 1/2, 5/9 In other words, find the Least Common Multiple (LCM) of 2,9
LCD = 18
3 Make the denominators the same as the LCD.
-1 x 9 /2 x 9 +5 x 2 /9 x 2
4 Simplify. Denominators are now the same.
-9/18 +10/18
5 Join the denominators.
-9 + 10/ 18
6 Simplify.
1/18
and your answer is 1/18
Step-by-step explanation: