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3 years ago

8 h(x) = 2x3 + 4x - 8 k(x) = 14x – 2 Find (k – h)(x) © 2018 HSMathCrazy

Mathematics

1 answer:

lora16 [44]3 years ago

5 0

The subtraction function

$(k-x)(x)$

is defined as the subtraction of the two equations, representing each function:

$(k-h)(x)=k(x)-h(x)$

So, we have

$(k-h)(x)=k(x)-h(x)=14x-2-(2x^3+4x-8)=-2x^3+10x+6$

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and P is a point of the sphere so R=(-1/2)²+(3/2)²+(-1)²=R²=7/2

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3 years ago

What is the slope of (13,0) and (3,-2)

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3 years ago

If Ms. P wants to withdraw $900 from an account earning 4% average annual interest rate at the start of each year for 7 years, h

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Answer:

Amount he must have in his account today is $5,617.92

Step-by-step explanation:

Data provided in the question:

Regular withdraw amount = $900

Average annual interest rate, i = 4% = 0.04

Time, n = 7 years

Now,

Present Value = $C \times\left[ \frac{1-(1+i)^{-n}}{i} \right] \times(1 + i)$

here,

C = Regular withdraw amount

Thus,

Present Value = $C \times\left[ \frac{1-(1+i)^{-n}}{i} \right] \times(1 + i)$

Present Value = $900 \times\left[ \frac{1-(1+0.04)^{-7}}{ 0.04 } \right] \times(1 + 0.04)$

Present Value = $936 \times\left[ \frac{1 - 1.04^{-7}}{ 0.04} \right]$

Present Value = $936 \times\left[ \frac{1 - 0.759918}{ 0.04} \right]$

Present Value = 936 × 6.00205

Present Value = $5,617.92

Hence,

Amount he must have in his account today is $5,617.92

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3 years ago

Ms speakman's smartphone is on sale for 25% off its list price. The sale priceof the smartphone is 51799,99, What expression can

Ber [7]

The expression that can be used to represent the list price of the smartphone is 5179.99 * (1- 25%) and the value is 3884.9925

<h3>What expression can be used to represent the list price of the smartphone? </h3>

The given parameters are:

Discount = 25%

Sales price = 5179.99

The expression that can be used to represent the list price of the smartphone is

Expression = Sales price * (1- discount)

So, we have:

Expression = 5179.99 * (1- 25%)

Evaluate

Expression = 3884.9925

Hence, the expression that can be used to represent the list price of the smartphone is 5179.99 * (1- 25%) and the value is 3884.9925