Answer:
3rd Option
Step-by-step explanation:
Which equation is the inverse of y = 7x2 – 10?
y = StartFraction plus-or-minus StartRoot x + 10 EndRoot Over 7 EndFraction
y = plus-or-minus StartRoot StartFraction x + 10 Over 7 EndFraction EndRoot
x = plus-or-minus StartRoot StartFraction x Over 7 EndFraction + 10 EndRoot
y = StartFraction plus-or-minus StartRoot x EndRoot Over 7 EndFraction plus-or-minus StartFraction StartRoot 10 EndRoot Over 7 EndFraction
Answer: 80cm
Step-by-step explanation:
Given:
Radius r = 16cm
Radial distance x = 5 radians
Radian is a measure of angles.
1 radian = 180°/π
To convert radial distance to linear distance
Linear distance = radial distance × radius
d = xr
d = 5 × 16cm
d = 80cm
We know that the variation is proportianal, that is we can relate the quantities as:

where y is the mass of the body and x is the mass of water. From the values given we have that:

hence the constant of proportionality is 3/2. Now, if the mass of the water is 75, then the mass of the body is:

Therefore, the mass of the body is 112.5 kilograms
Asked to find h(4). Hence, we don not need f(x) and g(x).
Substitute x=4 in h(x).
so, h(4) = 7*(4)^2 - 8 => 112 - 8 => 104
hope it helps.
Answer:-3
Step-by-step explanation: