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How does Goblins work?

Three simple steps: (1) Share an assignment from thousands of standards-aligned topics using a share code. (2) Students speak and draw their thinking naturally, and Goblins responds with Socratic questioning that sounds just like their teacher. (3) Teachers get real-time formative insights showing what students struggle with and suggestions to inform instruction.

Does Goblins prevent cheating?

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Can I use my own voice with Goblins?

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What math levels does Goblins cover?

Goblins covers math from Grade 5 through AP Calculus, including thousands of standards-aligned topics. Teachers can also upload their own content for custom assignments at any level.

Is Goblins FERPA compliant?

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Does Goblins support English Language Learners?

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What grade level is M.SRM.24 taught?

This standard is part of the M curriculum in West Virginia College- and Career-Readiness Standards for Mathematics.

Are there practice problems for M.SRM.24?

Yes, there are 3 practice problems available for M.SRM.24 with worked examples.

What learning resources are available for M.SRM.24?

There are 8 Khan Academy resources available for M.SRM.24, including 5 videos, 2 exercises, 1 articles.

M.SRM.24: Read values of an inverse function from a graph or a table, given that the function has an inverse. | West Virginia College- and Career-Readiness Standards for Mathematics

Read values of an inverse function from a graph or a table, given that the function has an inverse.

Example Problems

The following table shows a few inputs and outputs of

h(x)

x	h(x)
0	-8
9	-6
19	-1
28	4
37	9
47	13

What is the value of

h^{-1}(9)

The following table shows a few inputs and outputs of r(x).

x	-30	-20	-10	-2	7	17
r(x)	-10	-12	-6	-20	1	-1

What is the value of

r^{-1}(-20)

The following table shows a few inputs and outputs of

z(x)

x	z(x)
-22	-30
-16	-22
-11	-17
-5	-9
0	-2
6	4

What is the value of

z^{-1}(-9)

Khan Academy Resources

Intro to inverse functions Inverse functions: graphs and tables Evaluate inverse functions Intro to inverse functions Graphing the inverse of a linear function Reading inverse values from a graph Reading inverse values from a table Inputs & outputs of inverse functions

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