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vodka [1.7K]
3 years ago
8

Divide. Round to the nearest tenth? 2.1/1.488

Mathematics
1 answer:
mario62 [17]3 years ago
7 0
1.4 . Simply divide the two numbers and round to the first number spot to the right of the decimal point.
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Graph the piecewise function<br>show how you got the function
Zolol [24]

(4). If we break down this piecewise function, we have 3 main expressions to deal with, 'h(x) = 5 if {x ≥ 4}' (represented by the green graph) 'h(x) = x if {0 ≤ x ≤ 4}' (represented by the blue graph) and 'h(x) = 1 / 2x + 2 if {x < 0}' (represented by the red graph).

Take a look at the attachment below for your graph of these 3 functions / expressions.

(5). For this part we want to determine the average rate of change of the function f(x) = 4x² - 5x - 8 over the interval [- 2,3]. Remember that to calculate average rate of change between the 2 points we use the following formula...

f(b) - f(a) / b - a,

f(3) = 4(3)² - 5(3) - 8 = 4(9) - 15 - 8 = 36 - 15 - 8 = 13,

f(- 2) = 4(- 2)² - 5(- 2) - 8 = 4(4) + 10 - 8 = 16 + 10 - 8 = 18

13 - 18 / 3 - (- 2) = - 5 / 5 = - 1

Therefore the average rate of change of the function f(x) = 4x² - 5x - 8 over the interval [- 2,3] will be - 1.

5 0
4 years ago
Can some one please help me
UNO [17]

Answer: The answer is 5.

3 0
3 years ago
What is the answer to nx6=72
slavikrds [6]
n*6=72
6n=72
\frac{6n}{6}=\frac{72}{6}
n=12
8 0
4 years ago
Read 2 more answers
AB and BA name the same ray
OlgaM077 [116]
Do you have a diagram i can see?


4 0
4 years ago
Read 2 more answers
The graph of f(x) = 2x + 1 is shown below. Explain how to find the average rate of change between x = 2 and x = 5. (10 points) G
levacccp [35]
First we need to find f(2) and f(5), which are 5 and 11 respectively; all you have to do is plug in 2 and 5.

Then, we use the following formula:

(f(b)-f(a))/(b-a),

where b and a are the largest and smallest x values respectively.

Finally, we plug our values in:

(11-5)/(5-2)=6/3=2

In fact, the average rate of change of any linear function is just the coefficient of the x term. Hope this helped!
4 0
3 years ago
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