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Class 9 · Mathematics
→Which option has (y) decreasing by (5) each time (x) increases and (y(0)=80)?
Class 9 · Mathematics
→Which option has (y) increasing by (6) each time (x) increases and (y(0)=14)?
Class 9 · Mathematics
→Which linear polynomial represents a quantity with an initial value of 120 that decreases by 5 units for every increase of 1 unit in x?
Class 9 · Mathematics
→If (f(x)=18+4x), what is the value of (f(x+3)-f(x))?
Class 9 · Mathematics
→If (U(t)=120-10t), when will (U(t)=50)?
Class 9 · Mathematics
→If (T(t)=42+3t), when will (T(t)=72)?
Class 9 · Mathematics
→Two models are (C(t)=100-6t) and (D(t)=85-3t). What is the correct comparison at (t=5)?
Class 9 · Mathematics
→Two models are (A(t)=15+4t) and (B(t)=35+2t). Which value is greater at (t=6)?
Class 9 · Mathematics
→If (y=150-kx) and (y=110) at (x=5), what is (k)?
Class 9 · Mathematics
→If (y=30+kx) and (y=54) at (x=4), what is (k)?
Class 9 · Mathematics
→If (N(t)=n-4t) and (N(5)=35), what will (N(12)) be?
Class 9 · Mathematics
→If (M(t)=m+6t) and (M(3)=39), what will (M(8)) be?
Class 9 · Mathematics
→Which rule represents linear decay and also has initial value 72?
Class 9 · Mathematics
→Which rule is linear growth and also has initial value (16)?
Class 9 · Mathematics
→A candle’s length decreases linearly with time. If its model is \(L(h)=36-3h\), what does the coefficient \(-3\) of \(h\) represent?
Class 9 · Mathematics
→Which of the following expressions represents the linear decay of a quantity over time?
Class 9 · Mathematics
→If (R(t)=b-8t) and (R(6)=42), what is (b)?
Class 9 · Mathematics
→If (A(t)=a+7t) and (A(4)=50), what is (a)?
Class 9 · Mathematics
→If \(y=95-5x\) and \(x\) changes from \(4\) to \(11\), what is the total decrease in \(y\)?
Class 9 · Mathematics
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