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2 years ago

What is (f+ g)(x) given that f(x) =-7x^3-1 and g(x)=2x^3+6

Mathematics

1 answer:

vodka [1.7K]2 years ago

5 0

Answer:

this isn't really an answer but use desmos graphing calculator, its an app and a website it will give you the answer.

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(9 x 10⁶)(8 x 10⁻⁴)= ?

ycow [4]

Answer: 7.2x10 3

Step-by-step explanation:

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2 years ago

Read 2 more answers

Need help , don’t understand !!

mixer [17]

Quadratic Formula is (-b ±√(b²-4ac))/2a

With that being said:

y=2x²-5x-1 is in the correct form of ax²+bx+c

Now just plug in:

5±√(25-4(2 x-1))

5± √25+8

(5±√33)/2(2)

Answer is D

100% Sure

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3 years ago

What is the inverse of the function below? f(x)= x/4 -2

user100 [1]

$f(x)=\dfrac{x}{4}-2\to y=\dfrac{x}{4}-2\\\\\text{Interchange the y and the x}\\\\x=\dfrac{y}{4}-2\\\\\text{Solve for y}\\\\\dfrac{y}{4}-2=x\qquad|+2\\\\\dfrac{y}{4}=x+2\qquad|\cdot4\\\\y=4(x+2)$

$Answer:\ C.\ f^{-1}(x)=4(x+2)$

3 0

3 years ago

Find the missing side and round the answer to the nearest tenth. Thanks.

Andru [333]

Answer:

Step-by-step explanation:

opp=x,hyp=10

sin 53°= $\frac{x}{10}$

cross multiply

sin 53° x 10 =x

0.7986 x 10=x

7.98=x

x≅ 8.0

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2 years ago

Article on sale original price percent discount

Thepotemich [5.8K]

The 1/3% would equal .33% hopefully that helps at least a little

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3 years ago