icaijy

11 Sep 2026, 8:33 a.m.

19667 score

4 correct × 49 movement score = 196

67 × VCE evidence60.8 seconds · bandwidth-limited recordingDownload video

01 A student is checking a worked solution. $1000 grows by 5% per year for 3 years. Its value is closest to

A $1050.00 This does not satisfy the stated relationship.

B $1150.00 This does not satisfy the stated relationship.

C $1157.63 $1000(1.05)^3=1157.625$.

D $1250.00 This does not satisfy the stated relationship.

Written for icaijy.com · U1–2 · Finance · answered at 12885 ms

02 A student is checking a worked solution. On $[0,2\pi]$, $\sin x=1/2$ at

A $\pi/3,2\pi/3$ This does not satisfy the stated relationship.

B $\pi/6,7\pi/6$ This does not satisfy the stated relationship.

C $5\pi/6,11\pi/6$ This does not satisfy the stated relationship.

D $\pi/6,5\pi/6$ Sine is positive in quadrants I and II.

Written for icaijy.com · U1–2 · Trigonometry · answered at 26227 ms

03 Which response best completes this VCE-style item? A CAS returns a decimal root but the question requests an exact value. The best response is to

A use an exact solve command or algebraic form Exact form is required when requested.

B change the equation This does not satisfy the stated relationship.

C round to one decimal place This does not satisfy the stated relationship.

D omit the root This does not satisfy the stated relationship.

Written for icaijy.com · U1–2 · Technology · answered at 40613 ms

04 During a one-minute revision round: A correlation coefficient near −1 indicates

A strong negative linear association Values near −1 show strong negative linear association.

B weak positive association This does not satisfy the stated relationship.

C a horizontal residual plot only This does not satisfy the stated relationship.

D causation This does not satisfy the stated relationship.

Written for icaijy.com · U1–2 · Regression · answered at 53442 ms

05 Which response best completes this VCE-style item? For $f(x)=e^{2x}$, $f^{-1}(x)=$

A $e^{x/2}$ This does not satisfy the stated relationship.

B $2\ln x$ This does not satisfy the stated relationship.

C $\tfrac12\ln x$ Take ln and divide by 2.

D $\ln(2x)$ This does not satisfy the stated relationship.

Written for icaijy.com · U3–4 · Inverse functions · answered at 60000 ms