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
Salsk061 [2.6K]
3 years ago
9

If f(x) = 2x squared -30 find f(4)

Mathematics
2 answers:
ANTONII [103]3 years ago
5 0
F(x) = 2x^2 - 30
F(4) = 2(4^2) - 30
F(4) = 2(16) - 30
F(4) = 32 - 30
F(4) = 2
nalin [4]3 years ago
4 0

Answer:

2

Step-by-step explanation:

To solve this, you would just substitute 4 in for the x.

f(x) = 2x^2-30\\f(4) = 2(4)^2-30 = 2*16-30 = 32-30 =2

You might be interested in
Please explain for me I’m clueless <br><br> 3t + 3/5 =6<br><br> T=__
Igoryamba

Answer:

\frac{3t + 3}{5}  = 6 \\ 3 (\frac{t + 1}{5})  = 6 \\ \frac{t + 1}{5} = 2 \\ t + 1 = 10 \\ t = 9 \: or \\ 3t + 3 = 30 \\ 3t = 27 \\ t = 9

7 0
3 years ago
Newport Processing promotes its services through Mechanical Engineers Today, a trade magazine that charges Newport and other com
Kay [80]

Options:

A. Publicity

B. Advertising

C. Public relations

D. Trade shows

Answer:B. Advertising

Step-by-step explanation: Advertising is the process of show casing of a product or service,it can be achieved through verbal communications,print media(news papers, magazines etc),Through electronic media(social media,internet etc) and through bill boards etc.

Advertising is a vital tool to make public the or inform others about a product or service,it has been widely explored by Organisations in order to create a good Market strength and competitiveness.

3 0
3 years ago
Combining probabilities is a function of _____.
Romashka-Z-Leto [24]
I think the correct answer from the choices listed above is the second option. Combining probabilities is a function of mutually exclusive events. Joint probability<span> is a measure of two events happening at the same time, and can only be applied to situations where more than one observation can be occurred at the same time.</span>
7 0
3 years ago
Read 2 more answers
A birds nest is 12 feet above the ground. A moles den is 12 inches below the ground. What is the difference in the height of the
Paul [167]
13 feet! 12 inches = 1 foot, and think of below ground as negative feet, so it’d be the difference between -1 and 12, which is 13!
7 0
4 years ago
Choose all equivalent expression(s).
ElenaW [278]

<u>Given</u>:

The given expression is a b^{-3 x}

We need to determine the equivalent expression.

<u>Equivalent expression:</u>

Let us determine the equivalent expression.

The equivalent expression can be determined by simplifying the given expression.

Hence, let us apply the exponent rule to simplify the given expression.

Thus, applying the exponent rule, a^{-b}=\frac{1}{a^{b}}, we get;

a(\frac{1}{b^{3x}})

Rewriting the expression, we get;

a(\frac{1^{3x}}{b^{3x}})

Simplifying, we get;

a\left(\frac{1}{b}\right)^{3 x}

Thus, the equivalent expression is a\left(\frac{1}{b}\right)^{3 x}

Hence, Option C is the correct answer.

7 0
4 years ago
Read 2 more answers
Other questions:
  • The figure has line(s) of symmetry. What type(s) of symmetry does the figure have?
    15·1 answer
  • A sample of copper (Cu) contains 69.17% Cu-63. The remaining copper atoms are Cu-65. What is the average atomic mass of copper?​
    5·1 answer
  • Your uncle took you to the Nike store to get the latest Jordan's. The cost of the Jordan's are $112.99. Your uncle gives the cas
    5·2 answers
  • Given that f(x) = x2 + 5x – 14 and g(x) = x + 7, find (fºg)(x) and express
    8·1 answer
  • Can someone help me please and thank you
    5·2 answers
  • How many time is Uranus as far from the Sun as Pluto
    14·1 answer
  • Gas prices at a gas station rose from $2.50/gallon to $3.25/gallon. What is the percent of increase in the gas prices?
    13·2 answers
  • Determine whether the given value is a solution of the equation.<br> 7w = 73; w = 10
    13·1 answer
  • Which one is proportional? Im a little confused lol
    10·1 answer
  • A rectangular garden has a length that is 4 feet less than twice its width. Its perimeter is 26
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!