3 years ago

I need help plzzzz!!

Mathematics

1 answer:

MAXImum [283]3 years ago

5 0

Answer:

it might be the second one not sure

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Evaluate f(4) if f(x) =

abruzzese [7]

Answer:

f(4) = 4

Step-by-step explanation:

We have x = 4 so we use the middle line of the piecewise function since 0≤x≤4

f(x) = x

f(4) = 4

4 0

3 years ago

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Need to explain why equations 3x +12 = 6 and -2 =4 -3x isn’t equivalent

Scorpion4ik [409]

3x+12=6 will give you x=2
And
-2=4-3x will give you x=-2

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3 years ago

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If amy sends 20emalis in 5minutes what ia the init rate

Maksim231197 [3]

I'm pretty sure it would be 4 20÷5=4

7 0

2 years ago

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Select the correct answer. if you roll a single six-sided die, what is the probability of rolling an odd number? a. b. c. d. 3

Mamont248 [21]

Answer:

$\frac{1}{2}$

Step-by-step explanation:

P(odd number)= $\frac{3}{6}$

= $\frac{1}{2}$

5 0

2 years ago

Approximate the area under the

taurus [48]

Split up the interval [0, 3] into 3 equally spaced subintervals of length $\Delta x = \frac{3-0}3 = 1$ . So we have the partition

[0, 1] U [1, 2] U [2, 3]

The left endpoint of the $i$ -th subinterval is

$\ell_i = i - 1$

where $i\in\{1,2,3\}$ .

Then the area is given by the definite integral and approximated by the left-hand Riemann sum

$\displaystyle \int_0^3 f(x) \, dx \approx \sum_{i=1}^3 f(\ell_i) \Delta x \\\\ ~~~~~~~~~~ = \sum_{i=1}^3 (i-1)^3 \\\\ ~~~~~~~~~~ = \sum_{i=0}^2 i^3 \\\\ ~~~~~~~~~~ = 0^3 + 1^3 + 2^3 = \boxed{9}$

4 0

1 year ago