Is this equation a function?

y = - 3x^2 + 10

When typing 4 words per minute, you can finish in 50 minutes. Find the constant of proportionality and write an equation relating t and r

Ivy's initial account balance was $24,000. After six years, her balance was $38,085. A) Formulate an exponential equation that can be used to predict the balance of Ivy's account after x years.

An auto mechanic charges (C) an initial fee of $50 and then $40 per hour. If (h) represents hours, how much will the mechanic charge if he works 10 hours in one day?

Fine the promise factorization of 245. Is there another way to write the prime factorization of 245?

Is 5x=y-4 a linear equation

Find the value of x when the area of a triangle is 22 in2 and has a base of 3x-1 and height of x.

Which relation is a function? A. (6, 5), (1, 1), (6, 4) B. (0, 1), (2, 3), (2, 5) C. (8, - 2), (-2, 5), (6, 0) D. (-2, 3), (-5, 9), (-5, 3)

Given tanx = 7/24. What is csc X

the population of the US was 282 million in the year 2000. and 309 million in the year 2010. assuming that the US population follows the model of uninhibited population growth, what will the population be in the year 2050?

X+5/5=x+9/7 x equals?