2 years ago

Help pleaseee what are the answers to these questions??

Mathematics

1 answer:

WARRIOR [948]2 years ago

5 0

huhhhhh where is the question

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1. Find the domain and range of the function<br> f(x)=√1-4x².

slamgirl [31]

$f(x) = \sqrt{1 - 4{ x}^{2} }$

$1 - 4x {}^{2} \geqslant 0$

$- \infty \: \: \: \: \: \: \: \: - 0.5 \: \: \: \: \: \: \: \: \: 0.5 \: \: \: \: \: \: \: \: \infty \\ - \: \: \: \: \: \: \: \: \: \: \: \: \: \:0 \: \: \: \: \: + \: \: \: \:0 \: \: \: \: \: -$

$domain \\ [ \: -0.5 \: , \: 0.5 \: ]$

$g(x) = 1 - 4x {}^{2} \\ g'(x) = - 8x \\ g'(x) = 0 \\ x = 0 \\ g(0) = 1 - 4(0) = 1 \\ maximum \: = 1$

$range \\ [ \: 0 \: , \: 1 \: ]$

5 0

1 year ago

Read 2 more answers

Find the area of a square with a diagonal of 8 cm.

Fofino [41]

Answer:

To find the area of a square with only the diagonal known,

Square the diagonal and divide by 2:

8^2 = 64

64/2 = 32

The area is 32 cm^2

3 0

2 years ago

I need to solve this can anyone solve this?

xenn [34]

Answer:

d = 7

Step-by-step explanation:

7 times 5 = 35

35/5 = 7

4 0

2 years ago

A shop that sells nuts has one mixture that is 30% pecans and 70% peanuts. A second mixture is 40% pecans and 60% peanuts. The m

matrenka [14]

35 % pecans 75% peanuts

6 0

2 years ago

Read 2 more answers

If 3\2 =x\12 what is the value

steposvetlana [31]

$\frac{3}{2} =\frac{x}{12}$

---Cross multiply

2x = 36

---Divide both sides by 2

x = 18

Hope this helps!

6 0

1 year ago