College Algebra

Can you please assist me withthe following problems. Please show the steps so that I can follow and gain a better understanding. Thank you for your assistance in this matter. Page 364-365 #6, 22, and 62 Page 371 Matched Problem 4 Page 373-375 #6, 12, 26, 44, 46, and 52.

Functions, Plots

Please see attached file.

Need help so i can correct my mistakes

i have tried for the past 2 weeks to get my head round these questions, i am currently on holiday so unable to contact my tutor for help, i have my answers but want someone elses so i can compare and amend where i have gone wrong.

College Algebra

Can someone please assist me with following practice problems? Please show all work so that I can gain a better understanding of the subject.

Application of linear eqautions, word problem

An art dealer sold two artworks at $1520 thereby making a profit of 25% on the first work and 10% on the second, where as if he had approached any exhibition he would have sold them together for $1535 with a profit of 10% on the first and 25% on the second. Find the actual cost of each artwork. I am not quit sure where to sta ...continues

Applications of linear equations, word problem

A professor started a project with a group of students, 60% of whom were boys. Due to some unavoidable reason, six girls couldn't turn up, so the professor had to make some changes in the group. He admitted six boys. In doing so, the percentage of boys in the project increased to 75%. Find the number of boys and girls involved i ...continues

Functions and Graphs

See attached file for full problem description.

I am having problem with this conic section

r = 1 / ( 1 - 2 Cos Theta ) r - 2 r Cos Theta = 1 r = 1 + 2 r Cos Theta ,(rCos Theta = X) r ^2 =( 1 + 2 X )^2 r ^2 = X^ 2 + Y ^2 x^2 + y ^2 = 1 + 4X + 4X^2 3X ^2 + 4X + 1 - Y ^ 2 = 0 at this point I am having trouble.

Inverse of a function

Show that f ^-1=(5x-1)/ (2x+3) is the inverse of f(x)=(1+3x)/(5-2x)

linear model using the point-slope form

Find an example,BMI between man/woman estimate a best fit line graphically and develop an approximate linear model using the point slope form, the slope-intercept form or the standard form line. You are not to graph the line here but help illustrate your point . You are only require to use ine of the forms to identify it ( write ...continues