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Class 9 · Mathematics
→A battery decreases by the model (B(h)=120-10h) percent. When will the battery be (50%)?
Class 9 · Mathematics
→The saving amount is (S(m)=400+60m) rupees. After how many months will the amount be (760) rupees?
Class 9 · Mathematics
→In the context of functions, if a quantity is represented by \(R(t)=90-5t\), what situation does this expression describe?
Class 9 · Mathematics
→Which of the following expressions shows that a quantity decreases linearly by 5 units for every increase of 1 in n?
Class 9 · Mathematics
→Water left in a tank is (W(t)=180-12t) litres. How much water will remain at (t=9)?
Class 9 · Mathematics
→A plant's height is (H(t)=30+6t) cm. What will be the height at (t=5)?
Class 9 · Mathematics
→Which of the following polynomials shows that as x increases, y decreases at a constant rate?
Class 9 · Mathematics
→Which of the following linear relations represents a decrease in y as x increases?
Class 9 · Mathematics
→If (y=85-5x), what is the value of (y) at (x=9)?
Class 9 · Mathematics
→If (y=42+3x), what is the value of (y) at (x=6)?
Class 9 · Mathematics
→If the number of objects starts from (5) and increases by (6) each step, what is the correct rule after (x) steps?
Class 9 · Mathematics
→Which of the following equations represents linear decay, where \(y\) decreases by the same amount for every one-unit increase in \(x\)?
Class 9 · Mathematics
→What type of change is represented by the function \(y=-3x+12\)?
Class 9 · Mathematics
→If (K(t)=144-12t), what is (K(8))?
Class 9 · Mathematics
→If (H(t)=36+4t), what is (H(10))?
Class 9 · Mathematics
→Which of the following relations represents linear growth, where the quantity increases at a constant rate as time increases?
Class 9 · Mathematics
→If (y=29+kt) is linear growth, what must be true about (k)?
Class 9 · Mathematics
→If (R(t)=b-10t) and (R(0)=75), what is (b)?
Class 9 · Mathematics
→If (P(t)=a+7t) and (P(0)=31), what is (a)?
Class 9 · Mathematics
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