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ki77a [65]
3 years ago
10

If f(x) = 4x2 - 3 and g(x) = x+1, find (f - g)(x).​

Mathematics
1 answer:
tresset_1 [31]3 years ago
4 0

Answer:

C. 4x² - x - 4

Step-by-step explanation:

Step 1: Define functions

f(x) = 4x² - 3

g(x) = x + 1

Step 2: Subtract

(f - g)(x) = 4x² - 3 - (x + 1)

(f - g)(x) = 4x² - 3 - x - 1

(f - g)(x) = 4x² - x - 4

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The length is five inches less than its width. If the rectangle has a perimeter of 80 inches, find the length and width
k0ka [10]

Answer:

Step-by-step explanation:

50 + 30 = 80

6 0
3 years ago
What is the area of 10.5 tall and 9.2 long
mihalych1998 [28]

Answer:

A=LW

A=10.5 x 9.2

A=96.6

Step-by-step explanation:


8 0
3 years ago
a rectangle has a height of n3+4n2+3n and a width of n^3+5n^2 express the area of the entire rectangle
alukav5142 [94]

<u>Given</u>:

It is given that the height of the rectangle is n^3+4n^2+3n

The width of the rectangle is n^3+5n^2

We need to determine the area of the entire rectangle.

<u>Area of the rectangle:</u>

The area of the rectangle can be determined using the formula,

A=height \times width

Substituting the values, we have;

A=(n^3+4n^2+3n)(n^3+5n^2)

Multiplying each term within the parenthesis, we get;

A=n^{3} n^{3}+n^{3} \cdot 5 n^{2}+4 n^{2} n^{3}+4 n^{2} \cdot 5 n^{2}+3 n n^{3}+3 n \cdot 5 n^{2}

Simplifying, we get;

A=n^{6}+5 n^{5}+4n^{5}+20 n^{4}+3  n^{4}+15 n^{3}

Adding the like terms, we have;

A=n^{6}+9n^{5}+23 n^{4}+15 n^{3}

Thus, the area of the entire rectangle is n^{6}+9 n^{5}+23 n^{4}+15 n^{3}

5 0
4 years ago
Pls help me with these math problems
Genrish500 [490]
A) 24; finding the area of a parallelogram is the same as finding the area of a rectangle
5 0
3 years ago
Read 2 more answers
AE←→ is a straight line in the diagram.
Katena32 [7]

Answer:

∠ABC= 40°  ∠CBD=60°  ∠EBD=80°

Step-by-step explanation:

Step 1: 2x+3x+4x=180

          A straight line is 180 degree's, and to get the value of the different angles, you have to add the three angle measures.

Step 2: 9x=180

            Combine like terms

Step 3: x=20

            Divide/ Isolate the variable

Step 4: 2(20)=40   3(20)=60    4(20)=80

           Plug the answer back in

8 0
3 years ago
Read 2 more answers
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