All Questions +0133312 Questions

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+919

Find all real solutions x to 4^x - 2^x = 56.

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Julius  Dec 5, 2017
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can u hlp

off-topic
Guest Dec 5, 2017
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118
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+424

Help this problem is killing me i have to know what it is!

SmartMathMan  Dec 5, 2017
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+112

â€‹ How tall is the triangle?

Walthamx  Dec 5, 2017
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off-topic
Gh0sty15  Dec 5, 2017
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+800
Julius  Dec 5, 2017
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+1317
ManuelBautista2019  Dec 5, 2017
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off-topic
foxy02  Dec 5, 2017
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+153

Multiply: 6a2(4a â€“ 5)

Tiffybean  Dec 5, 2017
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In the staircase-shaped region below, all angles that look like right angles are right angles, and each of the eight congruent sides marked

MIRB14  Dec 5, 2017
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Guest Dec 5, 2017
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109
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+350

help

ladiikeiii  Dec 5, 2017
+20
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off-topic
Donut  Dec 5, 2017
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108
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ladiikeiii  Dec 5, 2017
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+598
michaelcai  Dec 5, 2017
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Guest Dec 5, 2017
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129
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+598

Some functions that aren't invertible can be made invertible by restricting their domains. For example, the function $x^2$ is invertible if

michaelcai  Dec 5, 2017
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+598

The function $$f(x) = \frac{cx}{2x+3}$$satisfies $f(f(x))=x$ for all real numbers $x\ne -\frac 32$. Find $c$.

michaelcai  Dec 5, 2017

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