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kupik [55]
3 years ago
15

Using the function f(x) = -3 x -5, calculate f(-7)

Mathematics
1 answer:
yan [13]3 years ago
7 0
Here you are , x= 16

Read the pic

Can you mark me BRAINLEST?

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Solve the inequality and express the answer in interval notation
8_murik_8 [283]

Answer:

a

Step-by-step explanation:

6 0
3 years ago
Simplify 9 log9 (7) is the answer 7
Aleks04 [339]
log_ab=c\ \ \ \Leftrightarrow\ \ \ a^c=b\\\\log_97=x\ \ \ \Leftrightarrow\ \ \ 9^x=7\\\\9^x=7\ \ \ (and \ \ \ x=log_97)\ \ \ \Rightarrow\ \ \ 9^{\big{log_97}}=7
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4 years ago
Which expression is equivalent to –2(5x – 0.75)?
Zinaida [17]

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5(5x - 0.34

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
2+2=??? PLEASE HELP ME THIS IS SO HARD PLEASEEE!!!!!​
fiasKO [112]

Answer: 2 + 2 = 4

Step-by-step explanation: Let's say you have 2 cars, and you friend has 2 cars, for your birthday, your friend gives you his 2 cars, so now in total you have 4 cars, hope this helped! -Mason

4 0
3 years ago
Expand the following.<br> (3x + 2)2<br> A.9x2+6x+4<br> B.9x2+4<br> C.3x2+4<br> E.9x2+12x+4
PolarNik [594]

Step-by-step explanation:

E

working ;

(3x+2)^2

*Apply Perfect Square Formula : (a+b) =a^2+2ab+b^2

a = 3x,b = 2

(3x)^2 + 3x.2+2^2

finally Answer is:

= 9x^2 + 12x +4

5 0
3 years ago
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