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3 years ago

If f(x) = x2 + x, find f(-3). A. -12 B. 3 C. 6

2 answers:

6 0

I believe that this would be (-3)²+-3. A negative times a negative is always positive, so -3² would be 9-3. We don't need the + sign because we would still subtract three from 9, which gives you 6. The answer would be C.

Alex17521 [72]3 years ago

4 0

-3 squared is 9. 9 + (-3) is 6.

Therefore, it's C

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If you have 1 Pokeball and 2 pokemon heal balls and 3 pokemon Ultra balls. How many balls are there?

rusak2 [61]

Answer:

is the correct answer

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2 years ago

A jacket at the store is being offered at a 30% discount. If the original price of the jacket is x, which answer choice shows an

kifflom [539]

Answer:

x-.30(x)

Step-by-step explanation:

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3 years ago

The author received a total of $195,000 for the book sales. How many hardcover books were sold? Type in numbers only.

g100num [7]

Answer:

Total 390 hardcover books were sold

Step-by-step explanation:

Complete question

The author received a total of $195,000 for the book sales. How many hardcover books were sold if the cost of one hardcover book is $500. Type in numbers only.

Solution

Given-

Total value of sale of hard cover = $195,000

Cost of one hardcover book = $500

Number of books sold = Total value of sale of hard cover/Cost of one hardcover book

Number of books sold = $195,000/$500

Number of books sold = 390

Total 390 hardcover books were sold.

3 0

3 years ago

When purchasing bulk orders of batteries, a toy manufacturer uses this acceptance sampling plan: Randomly select and test 49 b

Brilliant_brown [7]

Answer:

Step-by-step explanation:

Given that A shipment contains 6000 batteries, and 1% of them do not meet specifications.

Sample size =49

If x is the number of batteries not meeting specifications then

x is binomial with n =49 and p = 0.01

Because i) each toy is independent of the other

ii) There are only two outcomes

Probability whole shipment is accepted = Prob (X≤3)

=0.9885

Hence almost all shipments would be accepted.

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3 years ago

Please help me with this please

eimsori [14]

Part (a)

Using the quotient rule, the blank is 11/5.

Part (b)

Using the product rule, the blank is 9.

Part (c)

Using the power rule, the blank is 5.

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2 years ago