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soldi70 [24.7K]
3 years ago
13

Find the following for the function f(x)=3x2+2x−2. (a) f(0) =

Mathematics
1 answer:
sweet [91]3 years ago
3 0

Answer:

-2

Step-by-step explanation:

when x= 0

f(0)= 3*(0)² + 2*0 - 2

= 0 + 0-2

= -2

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A G.P has its 3rd term and 7th term as 45 and 3645 respectively. what is the product of its 2nd and 4th
Ede4ka [16]

Answer:

2,025

Step-by-step explanation:

Given:

Third term ar² = 45

Seventh term ar⁶ = 3,645

Find:

ar x ar³

Computation:

From 7th term / 3rd term

ar⁶ / ar² = 3,645 / 45

r⁴ = 81

r = 3

So,

ar² = 45

a(3)² = 45

a = 5

So,

ar x ar³

(5)(3) x (5)(3)³

2,025

3 0
3 years ago
Given f(x)=2x+3 find x=9 show your work
Allushta [10]

Answer:

f(9) =21

Step-by-step explanation:

I will assume you want to find f(9) when x=9

Let x=9

f(9) = 2(9) +3

    = 18+3

     =21

f(9) =21

7 0
3 years ago
98 PTS HELP!!! Please show work! ExPlAiN PlEaSe.
ludmilkaskok [199]

Answer:

see below

Step-by-step explanation:

2x ≥ 4

Divide by 2

2x/2 ≥ 4/2

x ≥ 2

-x+7<-6

Subtract 7 from each side

-x+7-7<-6-7

-x < -13

Divide each side by -1, remembering to flip the inequality

x > 13

y>-x+3

This is a line with slope -1 and y intercept 3

This is a dotted line since there is no equals sign and graph above

4 0
3 years ago
Read 2 more answers
△STR≅△LMN, SR=7b+8, and LN=11b−12. Find b and SR.
Goryan [66]

Given:

\Delta STR\cong \Delta LMN

SR=7b+8

LN=11b-12

To find:

The value of b and SR.

Solution:

We have,

\Delta STR\cong \Delta LMN                          (Given)

ST\cong LN                                  (CPCTC)

ST=LN

Substituting the given values, we get

7b+8=11b-12

7b-11b=-8-12

-4b=-20

Divide both sides by -4.

\dfrac{-4b}{-4}=\dfrac{-20}{-4}

b=5

Now,

SR=7b+8

SR=7(5)+8

SR=35+8

SR=43

Therefore, the value of b is 5 and the measure of SR is 43 units.

6 0
3 years ago
Julieta was offered a job that paid a salary of $49,000 in its first year. The
Amiraneli [1.4K]

Answer:

he will get a total of 41%

6 0
2 years ago
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