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xxMikexx [17]
3 years ago
5

If f(x) = 9x2 − x3, find f '(1) and use this value to find an equation of the tangent line to the curve y = 9x2 − x3 at the poin

t (1, 8).
Mathematics
1 answer:
yaroslaw [1]3 years ago
8 0

Answer:

f(x)=9×2_x3=18 hope it help good luck

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I need this done thanks
Sindrei [870]

Answer:D

Step-by-step explanation:

5 0
3 years ago
Factor the expression completely -9.75 + 3.25x
makvit [3.9K]
3.25*(x-3)

Just take out a 3.25
6 0
3 years ago
Linear model function
sveticcg [70]

Using equations of linear model function, the number of hours Jeremy wants to skate is calculated as 3.

<h3>How to Write the Equation of a Linear Model Function?</h3>

The equation that can represent a linear model function is, y = mx + b, where m is the unit rate and b is the initial value.

Equation for Rink A:

Unit rate (m) = (35 - 19)/(5 - 1) = 16/4 = 4

Substitute (x, y) = (1, 19) and m = 4 into y = mx + b to find b:

19 = 4(1) + b

19 - 4 = b

b = 15

Substitute m = 4 and b = 15 into y = mx + b:

y = 4x + 15 [equation for Rink A]

Equation for Rink B:

Unit rate (m) = (39 - 15)/(5 - 1) = 24/4 = 6

Substitute (x, y) = (1, 15) and m = 6 into y = mx + b to find b:

15 = 6(1) + b

15 - 6 = b

b = 9

Substitute m = 6 and b = 9 into y = mx + b:

y = 6x + 9 [equation for Rink B]

To find how many hours (x) both would cost the same (y), make both equation equal to each other

4x + 15 = 6x + 9

4x - 6x = -15 + 9

-2x = -6

x = 3

The hours Jeremy wants to skate is 3.

Learn more about linear model function on:

brainly.com/question/15602982

#SPJ1

5 0
2 years ago
Elija, Emily, Edward, and Esme each drew a conclusion about the figure below.
erik [133]
Please read the attached file

5 0
3 years ago
Read 2 more answers
(y x 1) + 2 and y + 2, is it equivalent or non equivalent?
enot [183]

Given:

The two expressions are

(y\times 1)+2

y+2

To find:

Whether the given expression are equivalent or non-equivalent.

Solution:

If two expressions are looking different but they are equal after simplification, then they are called equivalent expressions.

The first expression is

(y\times 1)+2=y+2

The first expression is equal to the second expression after the simplification.

Therefore, the given expressions are equivalent.

5 0
3 years ago
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