6. If the Marginal Cost for a product is found to be MC = 8x + 60, and the Marginal Revenue is given as MR = 1200 and the cost of 8 units is found to be $1600, what are: %3D a. the Total Costs? b. the Fixed Costs? c. the Total Profit?

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Need help figuring this out step by step attached is a formula sheet that you can use to follow
*TATTOO"CHEAT SHEET - USE OFTEN!
youR
THE BASICS
derv.
PX) MP
CO) MC
RX) MR
X→ fcx)+y (ly CAN BE +,Ø,-)
X f'x) SLOPE(SLOPE CAN BE +,Ø,
integ.
- {0 = MAx OR MIN OR H.P.I.3)
X *f"(x) + CONCAVITY (CONCAVITY IS ,A,Ø { Bis POINT OF INFLECTION})
DERIVATIVES
PRODUCTS AND QUOTIENTS
u isA
FUNCTION,
X IS VAR.,
e AND n y= u y'= u'v -uv'
y=x^
y'= nxn-i
U AND V
youv y'- u'v+uv'
%3D
n-I
y'= nu" (u')
y=e" y'- u'e"
y=Lnu y'= 4 doutdin
y=u^
ARE
FUNCTIONS
CONSTANTS
LOGS AND EXPONENTS
y=a" y'=a"u'ına ) WHERE U
y-a* y = a*x' In a fa is const,
Fa*(1) ina
INTEGRALS
IS A FUNC,
x^dx
+K, n+-I
X IS VARVABLE
ntl
dx → U'
+k, n+-1
Un(e*) =x (SIMPLIFIED, NOT DERIVATI VE )
=X (SIMPUFIED, NOT DERIVATIVE)
y= Ju'e"dr → e" + k
in(MN) = Ln M+ inN
in (A) - LnM -UnN
in (M) = PlnM
y= logax ay =x
WHERE M
» In u +K n=-l
EN ARE
STEPS
FUNCTIONS.
(CONVERSIONS
NOT DERIVATIVĖS
1) MAKE IT PRETTY. WHICH INTEGRAL?
2) FIND U; CREATE U'
3) WE HAVE
4) MAKE IT LOOK LIKE TEMPLATE
5) PERFORM INTEGRAL
WE WANT.
CHANGE OF BASE:
y=loga x
loga
DEFINITE INTEGRALS
log X
In X
%3D
ALSO
Una
y=Jax^dx = afx°dx
Scan"
y= J(ax^+bx") dx
SFondh Fo = Fb) - Fla)
Jfandk=Fx)
%3D
%3D
a
Transcribed Image Text:*TATTOO"CHEAT SHEET - USE OFTEN! youR THE BASICS derv. PX) MP CO) MC RX) MR X→ fcx)+y (ly CAN BE +,Ø,-) X f'x) SLOPE(SLOPE CAN BE +,Ø, integ. - {0 = MAx OR MIN OR H.P.I.3) X *f"(x) + CONCAVITY (CONCAVITY IS ,A,Ø { Bis POINT OF INFLECTION}) DERIVATIVES PRODUCTS AND QUOTIENTS u isA FUNCTION, X IS VAR., e AND n y= u y'= u'v -uv' y=x^ y'= nxn-i U AND V youv y'- u'v+uv' %3D n-I y'= nu" (u') y=e" y'- u'e" y=Lnu y'= 4 doutdin y=u^ ARE FUNCTIONS CONSTANTS LOGS AND EXPONENTS y=a" y'=a"u'ına ) WHERE U y-a* y = a*x' In a fa is const, Fa*(1) ina INTEGRALS IS A FUNC, x^dx +K, n+-I X IS VARVABLE ntl dx → U' +k, n+-1 Un(e*) =x (SIMPLIFIED, NOT DERIVATI VE ) =X (SIMPUFIED, NOT DERIVATIVE) y= Ju'e"dr → e" + k in(MN) = Ln M+ inN in (A) - LnM -UnN in (M) = PlnM y= logax ay =x WHERE M » In u +K n=-l EN ARE STEPS FUNCTIONS. (CONVERSIONS NOT DERIVATIVĖS 1) MAKE IT PRETTY. WHICH INTEGRAL? 2) FIND U; CREATE U' 3) WE HAVE 4) MAKE IT LOOK LIKE TEMPLATE 5) PERFORM INTEGRAL WE WANT. CHANGE OF BASE: y=loga x loga DEFINITE INTEGRALS log X In X %3D ALSO Una y=Jax^dx = afx°dx Scan" y= J(ax^+bx") dx SFondh Fo = Fb) - Fla) Jfandk=Fx) %3D %3D a
6. If the Marginal Cost for a product is found to be MC = 8x + 60, and the Marginal Revenue is given
as MR = 1200 and the cost of 8 units is found to be $1600, what are:
a. the Total Costs?
b. the Fixed Costs?
c. the Total Profit?
d. the production level, x, that yields Maximum Profit?
e. the corresponding Maximum Profit?
Transcribed Image Text:6. If the Marginal Cost for a product is found to be MC = 8x + 60, and the Marginal Revenue is given as MR = 1200 and the cost of 8 units is found to be $1600, what are: a. the Total Costs? b. the Fixed Costs? c. the Total Profit? d. the production level, x, that yields Maximum Profit? e. the corresponding Maximum Profit?
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