All categories

2 years ago

If c(x)=4x-2 and d(x)=x^2+5 , what is (c o d) (x)

Mathematics

1 answer:

Nookie1986 [14]2 years ago

3 0

Answer:

4x² + 18

Step-by-step explanation:

note that (c ○ d )(x) = c(d(x))

To evaluate substitute x = d(x) into c(x), that is

c(d(x))

= c(x² + 5)

= 4(x² + 5) - 2

= 4x² + 20 - 2

= 4x² + 18

You might be interested in

Solve the equation 2(x+1)=-2

MAXImum [283]

Answer:X=-2

Step-by-step explanation:Distribute 2 into 2x and 2 the subtract positive 2 from negative 2 to get negative 4 divide that by 2x to get x is equal to negative 2

6 0

2 years ago

PLEASE HELP ME!!! GEOMETRY! Please help me find the proofs that I would use in parts a and b.

-Dominant- [34]

a) substitution (refer to statements 1 and 2)

b) definition of supplementary

c) subtraction property of equality

5 0

3 years ago

When using a vertical number line do the negative numbers go on the bottom or top?

pshichka [43]

Bottom Like They Go on the left horizontally

8 0

3 years ago

1. Rhode Island is the smallest state. It has an area of

Viktor [21]

Answer:

663.4

Step-by-step explanation:

1.55 x 10 = 15.5

4.28 x 10 = 42.8

42.8 x 15.5 = 663.4

hope i helped

5 0

2 years ago

For the following questions find the other half of the fraction.

valentina_108 [34]

Answer:

1) 3/5= 6/10

2) 3/6= 6/12

3) 4/10= 2/5

4) 3/4= 6/8

5) 5/10 = 1/2

6) 4/6= 8/12

7) 5/5= 10/10

8) 1/2= 6/12

4 0

2 years ago