P.4,P.5
Chapter 7
Chapter 2, Chapter 8
Chapter 3
Chapter 9
100
Solve 4(x+3)-3=2(4-3x)-4
-1/2
100
Solve the system by substitution x+y=2 x-y=0
(1,1)
100
Find all real zero of the polynomial function- F(x)= x^3-3x^2-4x Solve using Gaussian elimination with back substitution. 2x-3y=10 X-2y=5
X=0,4,-1 (5,0)
100
Solve for x ln x=5.3670
x=e^5.367=214.22
100
Is the sequence arithmetic, geometric or neither? if it is arithmetic, find d. if it is geometric find r. (4/3) (4/9) (4/27) (4/81) (4/243).........
a) geometric b) r=(1/3)
200
Solve 3(1-1/5t)=0
1/5
200
Solve the system- x+3y-z=13 2x-5z=23 4x-y-2z=14
(38/17, 40/17, -63/17)
200
Solve using the inverse matrix x+2y=-1 3x+4y=-5 Divide (3x^4+2x^3-3x+1)/(x^2+1)
(-3,1) 3x^2+2x-3 R -5x+4
200
Evaluate log (1/16) 2
-4
200
Find th number of distinguishable permutations using the letters in SNOOP DOGGY DOG
75,675,600
300
Solve (x+4)^2=18
-4+/-3sqr2
300
Solve the system- An inheritance of $20,000 was divided among three investments yielding $1780 in interest per year. The interest rates for the three investments were 7%, 9%, and 11%, respectively. Find the amount placed in each investment if the second and third were $3000 and $1000 less than the first, respectively.
x= $8000 y= $5000 z= $7000
300
Find the other zeros of f(x)=x^4-6x^3+14x^2-54x+45 given that 3i is a zero Solve using the inverse matrix 4x-2y=10 3x-5y=10
X=1,5, +/-3i (2,-1)
300
Solve the equation ln(7-x)+ln(3x+5)=ln(24x)
x=(7/3)
300
Ten horses are in a race. How many outcomes are possible for first, second, third, and fourth places?
5040
400
Solve x^2-12x+30=0
6+/-sqr6
400
Solve the system by elimination 2x-y=2 6x+8y=39
(5/2,3)
400
Perform the idicated operation. [1 3] [7 1] -2[5 -4] + 8[1 2] [6 0] [1 4] Find all zeros F(x)= x^4+3x^2-4
[54 2] [-2 24] [-4 32] +/-2i, +/-1
400
Graph. State domain, range, & asymptote. j(x)=log x+3 4
D: x>0 R: All Reals A: x=o
400
Write the first five terms of the sequence with the given nth term. a =6; a =a +8 1 k+1 k
6, 14, 22, 30, 38
500
Solve the inequality and graph the solution on the real number line x-5/3-x
(-infinity, 3), (5, infinity)
500
Sketch the graph of the solution set of the system of inequalities- A merchant plans to sell 2 models of CD players at costs of $275 and $400. The $275 model yields a profit of $55 and the $400 model yields a profit of $75. The merchant estimates the total monthly demand will not exceed 300 units. The merchant does not want to invest more than $100,000 in inventory for these products. Find the number of units of each model that should be stocked in order to maximize profit.
Maximum of $19,300 with 160 of $275 model and 140 of $400 model
500
Find the polynomial function with the given zeros: 1, -3, 2i Find the area of the triangle with vertices (2,4), (-3,5), (-1,1)
x^4+2x^3+x^2+8x-12 9
500
In 1990 the number of cell phone subscribers (in millions) was 5.3. By 1993, the number had grown exponentially to 16. Write an exponential model for the given information and use it to estimate the number of subscribers in 2020.
y=5.3e^.3683x 210.8 million subscribers
500
Find the x^5y^3 term in the expansion of (3x+2y)^8
108,864x^5y^3
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