1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Zigmanuir [339]
4 years ago
8

F(x) = 3(x + 5)2 + 9 find f(-7)

Mathematics
1 answer:
notka56 [123]4 years ago
6 0

Answer:

f(-7)=21

Step-by-step explanation:

f(x)=3(x+5)^2+9\\\\f(-7)=3(-7+5)^2+9\\\\f(-7)=3(-2)^2+9\\\\f(-7)=3*4+9\\\\f(-7)=12+9\\\\f(-7)=21

You might be interested in
21x + 7y = 14 <br> -7y = 10 - 3x <br> btw its Elimination!
patriot [66]

\displaystyle\\\left \{ {{21x+7y=14} \atop {-7y=10-3x}} \right. \\\left \{ {{21x+7y=14} \atop {3x-7y=10}} \right. \\\\\text{We add 2 equations to remove y}\\21x+3x+7y+(-7y)=14+10\\24x=24=>x=1\\\text{We found x, now we can find y. Let's put x=1 into 1st equation}\\21\times1+7y=14\\7y=-7\\y=-1

6 0
3 years ago
Read 2 more answers
100 POINTS IF U GET THIS RIGHT !
cluponka [151]
Pretty sure the correct answer is 9/25
5 0
3 years ago
Read 2 more answers
Bananas are being sold for $0.59 a pound at Store A and $0.55 a pound at Store B. A customer wants to buy 10 pounds of bananas.
andre [41]

Answer:

The customer saves 5.9 - 5.5 = $0.5

when he shops at store B

Step-by-step explanation:

Stores A and B sells bananas at different prices per pound.

Bananas are being sold for $0.59 a pound at Store A and $0.55 a pound at Store B.

If a customer wants to buy 10 pounds of bananas from store A and store B,

The customer would spend 0.59 × 10 pounds of bananas = $5.9

buying from store A and

The customer would spend 0.55 × 10 pounds of bananas = $5.5

buying from store B.

The customer spends more for 10 pounds of bananas if he buys from shop A.

The customer saves 5.9 - 5.5 = $0.5

when he shops at store B

8 0
4 years ago
A train travels 2,000 miles in 40 hours ,going the same distance each hour .how many miles does the train travel each hour
Oksana_A [137]

Answer:

50

Step-by-step explanation:

2000/40=50

8 0
3 years ago
Read 2 more answers
Answer correctly and fast please.
VikaD [51]
The formula of a circle is A = pi * r^2

The diameter is 16cm, half of a diameter is the radius.

16/2 = 8

The radius is 8cm

pi (8)^2 or 3.14 (8)^2 = 200.96

Closest answer will be 201 (option C)
6 0
3 years ago
Read 2 more answers
Other questions:
  • The total number of degrees in the center is 360°. If all five vertex angles meeting at the center are congruent, what is the me
    12·1 answer
  • The video club to which Lin belongs allows her to receive one free DVD for every three DVDS she rents. If she pays $3 for each D
    8·1 answer
  • A catering company requires that they have 3 servers scheduled per every 20 patrons. If this company is planning to host an even
    10·1 answer
  • The radius of a circle is 7cm. Find the circumference of the circle. Hence find the length of an arc of the circle which subtend
    6·1 answer
  • A researcher reports that there is no consistent relationship between grade point average and the number of hours spent studying
    11·1 answer
  • 14) Rounded to the nearest whole number, the square
    14·1 answer
  • Expand this log thanks for your help :)
    14·1 answer
  • Which equation represents a line that is parallel to y=-2x-5
    6·1 answer
  • Find the piece wise function ​
    15·1 answer
  • Find out x and y. y = 2x。 x = 2y - 9​
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!