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Tag: precalculus

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1. ### PreCalc: If ad = bc then a/b = c/d (hint: assume ad=bc; start w/ ab-1, transform...)

• Replies: 11
• Views: 783
Last Post: 09-29-2018 10:17 PM
by Denis
2. ### precal, exponential problem: Given 5^x > x, solve for x.

• Replies: 5
• Views: 445
Last Post: 09-15-2018 10:23 PM
by Dr.Peterson
3. ### Initial Velocity Vector and Diagram from Parametric Equation

• Replies: 2
• Views: 367
Last Post: 05-23-2018 08:03 AM
by HallsofIvy
4. ### Trig and Natural Logs: 1. m(t)=325e-0.01t, 2. tanx=3, then tan(pi+x)=?, 3. 22x+11=3x-

• Replies: 2
• Views: 829
Last Post: 02-10-2018 06:26 PM
by stapel
5. ### Simplifying expressions with fractional exponents and a variable in the numerator

• Replies: 9
• Views: 972
Last Post: 02-04-2018 01:56 PM
by jtbez8809
6. ### Why do equations with two distinct variables with 2 distinct linear equations work?

• Replies: 7
• Views: 1,749
Last Post: 12-16-2017 11:11 AM
by Dr.Peterson
7. ### Precalculus: The roots of f(x) are 3, 4, and 2. What are the roots of f(x^2+1) ?

• Replies: 1
• Views: 949
Last Post: 10-12-2017 10:44 PM
by tkhunny
8. ### Average Rate Of Change of g(x) = −2x^2 − 2x + 5 over [-2, 3]

• Replies: 2
• Views: 1,112
Last Post: 10-10-2017 10:50 AM
by stapel

Forum:
Calculus

• Replies: 2
• Views: 1,058
Last Post: 04-30-2017 07:43 AM
by Subhotosh Khan
10. ### What completes the equation so it is an identity? 1 + sec u/tan u - tan u/1 + sec u

• Replies: 3
• Views: 1,161
Last Post: 02-03-2017 10:40 PM
by Harry_the_cat

Forum:
Calculus

11. ### Word Problem: "The football team sold T-Shirts as a fundraiser...."

• Replies: 1
• Views: 1,099
Last Post: 10-25-2016 02:10 PM
by Subhotosh Khan
12. ### Fcn prob w/ restrictions: prove f(x) = ((3^x)+1) / (3^x) - (3^-x) >= 1 for x >= 0

• Replies: 2
• Views: 1,860
Last Post: 09-29-2016 02:36 PM
by Ishuda
13. ### Precalculus: 5 sqrt(), 27x2, y3, -5 sqrt(), 9x6, y4, 23x2y25-9x6y45, simplify

• Replies: 1
• Views: 934
Last Post: 08-29-2016 05:18 PM
by stapel
14. ### As Ben walks between a stop sign and a convenience store he walks at a constant speed

• Replies: 2
• Views: 2,158
Last Post: 08-29-2016 05:37 PM
by stapel

Forum:
Pre-Algebra

15. ### Find the variable: Find 'a' so ax+y=-5, -1/3x-2y=-1 has no sol'n.

• Replies: 6
• Views: 1,930
Last Post: 07-25-2016 03:33 PM
by Johulus
16. ### Displacement: Find the function for the form y=2 sin(2x+c) that passes through (-π/8,

• Replies: 3
• Views: 4,381
Last Post: 07-25-2016 08:40 AM
by stapel
17. ### Help appreciated! :D solving ( 3y / 7 ) + ( y / 14) < -1

• Replies: 4
• Views: 2,888
Last Post: 03-01-2016 07:47 PM
by lookagain
18. ### Find g-f and it's domain

• Replies: 2
• Views: 1,962
Last Post: 02-08-2016 09:36 AM
by stapel
19. ### Fractional Inverse Equations: solve the equation f(x)= 5x+7/3x+6 for Y

• Replies: 1
• Views: 2,206
Last Post: 02-06-2016 06:51 PM
by pka
20. ### F Composed of F Inverse of the function {(3,-8),(1,-1),(8,-4)}

• Replies: 2
• Views: 1,679
Last Post: 02-06-2016 05:59 PM
21. ### Trigonometric Identities and Equations: sin^2(x)cos^2(x)=0

• Replies: 3
• Views: 1,736
Last Post: 12-02-2015 09:07 AM
by Subhotosh Khan
22. ### conditional trig eqautions: 2sin2 (x/4) = 1, 2 cos (3x) + 1 = 0,...

• Replies: 1
• Views: 1,159
Last Post: 10-28-2015 10:00 AM
by stapel
23. ### I need to find the exact value of the trigonometric function

• Replies: 1
• Views: 1,257
Last Post: 10-22-2015 07:19 AM
by Subhotosh Khan
24. ### Trig tan cos sin sec csc cot end behavior domain

• Replies: 1
• Views: 3,001
Last Post: 08-31-2015 11:27 AM
by stapel
25. ### verifying identities

• Replies: 1
• Views: 1,685
Last Post: 03-30-2015 05:36 PM
by Subhotosh Khan
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