What statement Correctly describes his solution?

Mathematics

1 answer:

Roman55 [17]2 years ago

5 0

Answer:

(1) option is correct .

Step-by-step explanation:

$2x^2-7x-15$

$=(2x+3)(x-5)$

$=2x^2-10x+3x-15$

which is the equation in the question.

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10 to the power of 3 times what equals 630

vekshin1

10³ · x = 630
x = ?

10³ = 10 × 10 × 10 = 1,000

630 ÷ 1000 = x
630 ÷ 1000 = 0.63
x = 0.63

So we have:

10³ · 0.63 = 630

6 0

3 years ago

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What is the value of the expression -2^2+4x(-3) when x= -3

Kisachek [45]

It will be
(-2)^2+4*(-3)(-3) =40

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3 years ago

PLEASE HELP!! Write an equation of g(x) that represents an exponential base “e” parent function with the following transformatio

Montano1993 [528]

Answer:

$g(x) = 12 {e}^{ - x - 7}$

Step-by-step explanation:

The parent function is

$g(x) = e {}^{x}$

First it is asked to reflect over the y axis so using the rule

$g(x) = g( - x)$

Our function looks like

$g(x) = e {}^{ - x}$

Then we are asked to shift the equation to the right 7. When shifting to the right or move the x axis, instead of adding 7 we would want to subtract 7 since the x axis is the independent variable and we must respect the y axis which is the dependent so using the rule

$g(x) = g(x - h)$

When subtracting a 7 it looks like now

where h is the number we move . Now we are asked to apply a vertical stretch of 12. Since vertical stretch refers to the y axis, we are just going to multiply the function by 12 using the rule

$g(x) = a \times g(x)$