2 years ago

Evaluate if x=4 3x+1 A)2 B)3 C)11/4 D)13/4

1 answer:

4 0

Step-by-step explanation:

Given

If x = 4 Then

3x + 1 = 3 * 4 +1 = 12 + 1 = 13

The answer should be 13.

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earnstyle [38]

60 percent!

I hope this helped!

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2 years ago

andrey2020 [161]

Answer:

9,999,995

Step-by-step explanation:

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2 years ago

TEA [102]

Answer:

$f$ is sometimes positive and sometimes negative.

Step-by-step explanation:

$f(x)=(x-3)(x+2)(x+4)(x+4)(x-1)(2x-9)$

Take $x=-1\in(-2,\frac{9}{2})\ as-2$

$f(-1)=(-1-3)(-1+2)(-1+4)(-1-1)(-2-9)\\\\=(-4)(1)(3)(-2)(-11)\\\\=-264\\\\f(-1)$

Take $x=2\in(-2,\frac{9}{2})\ as\ -2$

$f(2)=(2,-3)(2+2)(2+4)(2-1)(2\times2-9)\\\\=(-1)(4)(6)(1)(-5)\\\\=120\\\\f(2)>0$

Hence $f(x)$ for $x=-1$ and $f(x)>0$ for $x=2$

So $f$ is sometimes positive and sometimes negative in the interval.

3 0

3 years ago

ivann1987 [24]

X = 42

x/3 - 4 = 10
+ 4 +4
x/3 = 14
•3 •3
x = 42

4 0

3 years ago

Nutka1998 [239]

That would be 1/4 * 28 = 7 ins^2

7 0

2 years ago