Answer: the first one is exponential and the second one is function
Answer:
y =
Step-by-step explanation:
Given that y varies directly as x then the equation relating them is
y = kx ← k is the constant of variation
To find k use the condition y = 7 when x = 3
k = = , thus
y = x ← equation of variation
When x = 7, then
y = × 7 =
Answer:
x = 4
which agrees with the third listed answer among the given options
Step-by-step explanation:
We can re-write the logarithmic equation using the properties of logarithms:
Therefore, the arguments of the log functions must also be equal (and we can solve for "x" by noticing that this expression is the perfect square of a binomial:
and for this equation to verify, x must be 4
Answer:
76 Miles.
Step-by-step explanation:
28.5/3=9.5
9.5(8)=76