Answers edited by Luca F.
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How do you graph the system #y < 2x + 4# and #2x  y<=4#?

How do you find the points of discontinuity of #y = ((x  1)(x + 3)) / ((x + 3)(x  5))#?

Where are the critical points of #tan x#?

The top and bottom margins of a poster are 4 cm and the side margins are each 6 cm. If the area of printed material on the poster is fixed at 384 square centimeters, how do you find the dimensions of the poster with the smallest area?

How do you know if #49x^2 − 28x + 16# is a perfect square trinomial and how do you factor it?

How to graph a parabola #x2=1/8(y+1)^2#?

How do you find the volume of the region below #y= 3x+6# and enclosed by the yaxis from 0 to 2, rotated about the xaxis?

How do you find the domain and range for #y = 5arcsin(2cos(3x))#?

How do you find #2p^2 + 3p  4# less # 2p^2  3p + 4#?

What is the slope of #x=3#?

How do you solve by substitution #4x9y=21# and #4x+3y=9#?

The area bounded by the curve #y=3+2xx^2# and line #y=3# is rotated completely about the line #y=3#. Find the volume of the solid of revolution obtained?

How do you find the global extreme values for #V(x) = x(10  2x)( 16  2x)# on [0,5]?

How do you graph #y = sin(2x)#?

How do you find the inverse of sin?

How do you simplify #(5)/(2a^11b^7)#?

How do you solve # 2cosx+1=0#?

How do you simplify #(4)^3#?

How do you write an equation in standard form given that the line passes through (1, 3) and (2, 1)?

How do you find the asymptotes for #f(x) = (x^2+4x2)/(x^2x7)#?

Who discovered logarithm?

How do you solve and graph the compound inequality #3x>=5# or #5/8x6>1# ?

How do you multiply # (2x^4)/ (10y^2) * ( 5y^3)/(4x^3)#?

How do you factor #z^6  1#?