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2 years ago

Which of the following equations is equivalent to y = lnx?

Mathematics

1 answer:

harkovskaia [24]2 years ago

4 0

Step-by-step explanation:

e^ln x - ln xy is equal to (a) y (b) 1/y (c) x (d) 1/x (e) none of these Which of the following equations is equivalent to the equation y = 5^x? (a) y = ln(5x) (b) y = e^5 ln x (c) y = e^x ln 5 (d) y = x ln 5 (e) none of these When $400 is invested in an account that earns 7.5% annualinterest, compounded quarterly, the accumulated value after 5 years (to the nearest cent) is (a) $581.99 (b) $579.98 (c) $574.25 (d) $550.00 (e) none of these

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Answer:

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2 years ago

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2 years ago

The table represents quadratic function g. Which statement is true about the function?

weqwewe [10]

Answer:

B. The maximum occurs at the function's x-intercept.

Step-by-step explanation:

Given table:

$\large\begin{array}{| c | c | c | c | c | c | c |}\cline{1-7} x & -5 & -4 & -3 & -2 & -1 & 0\\\cline{1-7} g(x) & -1 & 0 & -1 & -4 & -9 & -16\\\cline{1-7}\end{array}$

From inspection of the table, we can see that:

$g(-5) = -1$ and
$g(-3) = -1$

This indicates symmetry.

The line of symmetry is the mid-point between the two x-values.

Therefore, the line of symmetry is x = -4

The vertex (minima/maxima) is on the line of symmetry, therefore the vertex is at (-4, 0). As the function decreases as x → 0, the vertex is a maximum.

As the y-value of the vertex is 0, the maximum occurs at the function's x-intercept.

3 0

1 year ago

Read 2 more answers

A sport watch with an original price of $86 is on sale for $60.20. What is the percent of discount?

Anarel [89]

You need to first calculate the amount of lost money, which is 86-60.2=25.8 To find the discount, you need to put this over the initial price, or 86. This equals 0.3, which is 30 percent.

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2 years ago

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Solve. x 5 + 3 = 2 A) -5 B) 25 C) 5 D) - 1/5

vladimir1956 [14]

Just isolate the variable x.
x*5+3=2
5x=-1
x=-1/5

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2 years ago