2 Algebra Homework to be done
1.5 and 1.6 Homework and each of the with sections and problems to be resolved them
ALL Questions must be solved
8 Pages will be add and every page need to be answer in all the question
Please when you answer make sure to identify the SECTION and the QUESTION
Do not OMIT STEPS..All nee to be show and explain
MATH1513 – College Algebra
Section 1.6 – Graphs of Functions
Homework
Name:
1) Determine analytically if the following functions are even, odd or neither.
a) f(x) = x2-3
b) f(x) = Vx4 + 2
c) f(x) =****
2x
3) Use the graph of y = f(x) given to answer the questions below. Approximate to one decimal
place if needed.
a) Find the domain off.
5
b) Find the range of f.
3+
2+
c) Determine f(1).
1+
1
-2-
2
х
d) How many solutions are there for f(x) = 2?
e) List the x-intercepts, if any exist.
f) List the y-intercepts, if it exists.
g) Does f appear to be even, odd, or neither?
h) List the intervals where fis increasing.
i) List the intervals where fis decreasing.
j) List the local maximums, if any exist.
k) List the local minimums, if any exist.
1) Find the maximum, if it exists.
m) Find the minimum, if it exists.
Algebra
1+2= 3
MATH1513 – College Algebra
Section 1.5 – Function Arithmetic
Homework
=) = – +5
X
X-5
Name: Jesus Villamizar
1) Use the pair of functions fand g to find the domain of the indicated function, then find and
simplify an expression for it.
f(x) = x2 – 4
g(x)
X – 5
a) (f + g)(x) –
f(x) + g(x)
12-4th = x²(x-57-4(X-5)
Domain : x-4t0
TI
XES
1 (x-3) 1(x-3) XS
too, SJU (5,00)
x² = Sx² – 4x+21
b) (f – g)(x)=f()-960)
X-5
X-4-1 = x²(x-S)
ul (x-3)
X-S
X-5
Domain: (rojs) Urs, no)
x² – sx ² – 4x + 1A
c) (f9)(x) f(x) g(x)
x-5
x ² – 4
(x + 2)(x-2) Domoin too, slutso)
x-3
2
x-s
x-5
X-5
a) ( ) (x) = f(x)
gly
X – 4
2.482 x
X->
x -4.x = x – sx ² – 4×120
!
X-5
Domainit asoo)
1+2= 3
= 30x + 100,
4) The monthly cost, in thousands of dollars, to produce x thingamajigs is C(x)
x 20 and the price-demand function, in dollars per thingamajig, is p(x) = 150 – 3x, 0 SXs
50.
a) Find and interpret C(O).
b) Find and interpret C(15).
c) Find and interpret p(25).
d) Find and simplify R(x).
e) Find and simplify P(x).
f) Solve P(x) = 0 and interpret.
MATH 1513 – Co
1.7
2) Use the pair of functions fand g to find the domain of the indicated function, then find and
simplify an expression for it.
f(x) =
g(x) = V4- x
x² – 4
1
Domain’ (-00-2) U (-2; 2) U12
a) (f + g)(x)
I + VH-X
xty
b) (f – g)(x)
c) (f)(x)
1) (1) (3)
(x) (x)+2296)
0+2=2
3+2 is
d
3
s
3
O
f(x) – 2
-S
ع البدر
–
Extra Credit (EC): Find and simplify the difference quotient for the given function. (Look at
part 3 of Example 1.5.2 in the textbook, pg 79.)
f(x) = Vx2 +1
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