Let g(x) = 2x and h(x) = x2 + 4. Evaluate (g ∘ h)(3). A. 16

B. 40

C. 26

D. 36

Answers

Answer 1

Answer:

The value of (goh)(3) is 26.

What is composition of function?

The composition of a function is an operation where two functions say f and g generate a new function say h in such a way that h(x) = g(f(x)).

given:

g(x) = 2x , h(x) = x²+4

Now,

(goh)(3)

=g(h(3))

=g(9+4)

=g(13)

=2*13

=26

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Answer 2

Answer:

Answer:

Step-by-step explanation:

26 is correct! Just took the test

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6m+5-3m=7(m-1) help with equation.

Answers

6m + 5 - 3m = 7 (m-1)
6m + 2m = 7m - 7
8m = 7m - 7
m = -7

6m + 5 - 3m = 7m-7
3m +5 = 7m-7
-3m -3m
5 = 4m -7
+7 +7
12= 4m
divide both sides by 4
answer should be 3

3x+9
-------- how do I solve this?
4x+12

Answers

$Answer :$ $(3x+9)/(4x+12) \n =3(x+3)/4(x+3) \n =3/4 \n (=0.75)$

Put common terms in evidence and simplify:

$\boxed{(3x+9)/(4x+12)=(3(x+3))/(4(x+3))=(3)/(4)}$

Y=2x+1
answers anyone?

Answers

Answer: y= 2

Step by step: Multiply 2 and 1 to get 2

From the set {0, 1, 11}, use substitution to determine which value of x makes the equation true.23x + 27 = 50
A. 11
B. 0
C. 1
D. none of these

2. From the set {0, 1, 10}, use substitution to determine which value of x makes the equation true.

23x + 29 = 52
A. 10
B. 1
C. none of these
D. 0

3.
Add 5 and b. Then, multiply by 2.

Which of the following expressions matches the statement above?
A. 5 + b × 2

B. (5 + b) × 2

C. 5 × (2 + b)

D. b + 5 × 2

4. What is the absolute value of the number indicated on the number line below?

-20
-19
-18
-17
-16
-15
-14
-13
-12
-11
-10
-9
-8
A. -18
B. 17
C. -17
D. 18

Answers

1) the answer is C: 1, 23*(1) + 27 = 50
2) the answer is B: 1, 23*(1) + 29 = 52
3) the answer is B. (5 + b) × 2
4) the question is not clear

Answer:

1) the answer is C: 1, 23*(1) + 27 = 50

2) the answer is B: 1, 23*(1) + 29 = 52

3) the answer is B. (5 + b) × 2

4) the question is not clear

Step-by-step explanation:

Which equation illustrates the identity property of multiplication?a.(a + bi) × c = (ac + bci)
b.(a + bi) × 0 = 0
c.(a + bi) × (c + di) = (c + di) × (a + bi)
d.(a + bi) × 1 = (a + bi)

Answers

For this case by definition we have:
The identity property of multiplication states that the product of 1 and any number is that given number.
We have then, for example:
$(a * 1) = a$
Where,
a: real number
Applying the definition, we have that the expression that models the identity property is given by:
$(a + bi) * 1 = (a + bi)$
Where,
a: real part
bi: imaginary part Answer:
d.(a + bi) × 1 = (a + bi)

Equation shows identity property of multiplication is (a + bi) × 1 = (a + bi)

The correct option is (d)

What is Identity property of multiplication?

The identity property of multiplication says that the product of 1 and any number is that number.

We know, Identity property of multiplication states that

"the product of 1 and any number is that given number".

We know that every complex number have two parts one is real and other is imaginary.

If a is real number and b is imaginary part then by definition

(a + bi) × 1 = (a + bi).

1. Uses Distributive Property of Multiplication.

2. Zero product property.

3. Commutative property of multiplication

4. Identity property of multiplication.

Hence, equation shows identity property of multiplication is (a + bi) × 1 = (a + bi)

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Bethany can mow her family’s lawn in 4 hours. Her brother Colin can mow the lawn in 3 hours. Which equation can be used to find x, the amount of time it would take for Bethany and Colin to mow the lawn together?