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stepladder [879]
3 years ago
14

The gradiant y=2x³-5x+1 at point (2,7)​

Mathematics
1 answer:
olga2289 [7]3 years ago
8 0

Given:

The equation of the curve is:

y=2x^3-5x+1

To find:

The gradient (slope) of the given curve at point (2,7).

Solution:

We have,

y=2x^3-5x+1

Differentiate the given equation with respect to x.

y=2(3x^2)-5(1)+(0)

y'=6x^2-5

Now we need to find the value of this derivative at (2,7).

y'_{(2,7)}=6(2)^2-5

y'_{(2,7)}=6(4)-5

y'_{(2,7)}=24-5

y'_{(2,7)}=19

Therefore, the gradient (slope) of the given curve at point (2,7) is 19.

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Yoooooo can somebody help me
elena55 [62]

The numeric value of the expression d² + 3a + 6 + a when a = 2 and d = 5 is of 39.

<h3>How to find the numeric value of an expression?</h3>


The numeric value of a function is found replacing each instance of a variable by the value of the input for which we want to find the numeric value.

For this problem, the expression is given by:

d² + 3a + 6 + a

We want to find the numeric value when a = 2 and d = 5, hence:

5² + 3(2) + 6 + 2 = 25 + 6 + 6 + 2 = 39.

More can be learned about the numeric values of a function at brainly.com/question/14556096

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6 0
2 years ago
PLEASE GIVE ME AN ANSWER QUICKLY! Hiroshi spends 30 minutes on history homework , 60 minutes on English homework, and x minutes
natka813 [3]

Answer:

A

Step-by-step explanation:

  • He spends:
  • 30 mins on History
  • 60 mins on English
  • x mins on math
  • so the total time he spends is (TotalTime)minutes=(30+60+x)minutes
  • one fourth of this is his math time, since x is math time, then we have \frac{1}{4}(TotalTime)minutes=(x)minutes
  • But we know what totaltime in minutes is so \frac{1}{4}(30+60+x)minutes=(x)minutes
  • or simply: \frac{1}{4}(30+60+x)=x
8 0
3 years ago
At the beginning of the school year, Rochelle joins the school garden club. In her plot of land, she plants 4 rows of tulips, ea
igor_vitrenko [27]
4  rows times 27 bulbs = 108

6 0
3 years ago
Read 2 more answers
Estimate how many times larger 2 x 10-5 is than 4 x 10-12 in the form of a single digit times an integer power of 10.
zmey [24]

The number of times which the number 2 x 10-5 is greater than 4 x 10-12 is; 5 × 10⁶ times

To estimate how many times larger 2 x 10-5 is than 4 x 10-12 in the form of a single digit times an integer power of 10;

We must evaluate as follows;

  • 2 x 10-5 divided by 4 x 10-12

\frac{2 \times  {10}^{ - 5} }{4 \times  {10}^{ - 12} }

Therefore; we have;

  • 0.5 × 10⁷

Since we are required to express the answer in the form of a single digit times an integer power of 10; we have;

  • 5 × 10⁶

Read more on indices;

brainly.com/question/17025327

4 0
2 years ago
Please help with these questions!!
riadik2000 [5.3K]

Answer: 308

Step-by-step explanation: Divide 70 by 5 which is 14 and then 14 times 22 is 308

8 0
3 years ago
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