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2 years ago

If f(x)=4^x+4, then calculate f(0)

Mathematics

2 answers:

Grace [21]2 years ago

7 0

ok so F (0) should be equaled to = 0

wlad13 [49]2 years ago

3 0

Answer:

f(0) = 5

Step-by-step explanation:

Note that $a^{0}$ = 4

To calculate f(0), substitute x = 0 into f(x), that is

f(0) = $4^{0}$ + 4 = 1 + 4 = 5

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A rectangle has an area of 72 swaure units. The width of the rectangle is 9 units. The length of the rectangle is 2x + 4. What i

vichka [17]

Answer:

8 units

Step-by-step explanation:

Area of a rectangle = Width multiplied by Length

Substitute in all the known numbers into this formula to get

72 = (9) × $(2x+4)$

Solve the equation for x, to find out the length

$9(2x+4)=72$

$2x+4=72/9$

$2x+4=8$

$2x=8-4$

$2x=4$

$x=4/2$

$x=2$

Length of the rectangle = $(2x+4)$

$2(2)+4$

$4+4=8$

5 0

2 years ago

The change in the price of a certain brand of cereal from 2010 to 2012 is shown in the table. Year Change (in dollars) 2010 +0.3

TEA [102]

The answer is 240 I think

4 0

3 years ago

Read 3 more answers

Escribe el número que tenga el mismo valor que 28 decenas

adoni [48]

Answer:

280

Step-by-step explanation:

The question in English is

Write the number that has the same value as 28 tens

we know that

One tens is equal to the number 10

To find out the value of 28 tens, multiply the number 28 by 10

$28(10)=280$

6 0

2 years ago

2) Solve the quadratic equation by taking square roots. 4x^2 = 24

Veronika [31]

Answer:

4x²=24

or,x²=24÷4

or,x=root 6

8 0

2 years ago

I need some DETAILED examples of Dividing Integers! Urgent, pls help ASAP!

vfiekz [6]

Here are some examples:

Integers are positive and negative numbers, but dividing integers are dividing positive and negative numbers:

Remember these rules:

Negative divided by a negative equals a positive.
Negative divided by a positive equals a negative.
Positive divided by a positive equals a positive .

Examples:

$-4 \div 2 = -2$
$-4 \div -4 = 1$
$4 \div 2 = 2$

Hope this helps!

8 0

2 years ago